Recent

New minimum 8/30/2026

PP Lac

105

Vojtěch Školník, Dario Heinich, Pavel Tkáč, Hvězdárna Valašské Meziříčí, 8/30/2026

Sct 200/2000 (reduced to 1350) + MI C2-7000A

. . .

New observation 8/30/2026

PP Lac

105

Vojtěch Školník, Dario Heinich, Pavel Tkáč, Hvězdárna Valašské Meziříčí, 8/29/2026

Sct 200/2000 (reduced to 1350) + MI C2-7000A

. . .

New minimum 8/3/2026

PP Lac

105

Giuseppe Maria Raffaele Nicosia, 8/2/2026

Seestar S50

. . .

New observation 8/3/2026

PP Lac

105

Giuseppe Maria Raffaele Nicosia, 8/2/2026

Seestar S50

. . .

New minimum 10/28/2025

PP Lac

105

Filip Walter, Jan Ryška, 8/31/2025

D3 Skywatcher NWT 200/1000 + CMOS Moravian C2-9000 + no filter

. . .

New observation 10/28/2025

PP Lac

105

Filip Walter, Jan Ryška, 8/31/2025

D3 Skywatcher NWT 200/1000 + CMOS Moravian C2-9000 + no filter

. . .

New minimum 9/30/2025

PP Lac

105

Vojtěch Školník, Broumov NMO, 9/28/2025

Sct 200/2000 (reduced to 1350) + MI C2-7000A

. . .

New observation 9/30/2025

PP Lac

105

Vojtěch Školník, Broumov NMO, 9/28/2025

Sct 200/2000 (reduced to 1350) + MI C2-7000A

. . .

New observation 8/24/2025

PP Lac

105

CCD Expediční skupina, Astronomická expedice, 8/18/2025

NWT 200/1000 + AZ/EQ6 + MII G2-1600

NWT 200/1000 + AZ/EQ6 + MII G2-1600
pozorovatelé: Vojtěch Dienstbier, Radka Křížová, Vojtěch Svoboda
počasí: jasno
ročník: 2025

. . .

New observation 9/8/2024

SkyWatcher Newton 200/1200
#Observatory>Kolonica
#Observer>Matus Kamenec
#Telescope>SkyWatcher 200/1200 / EQ6
#Instrument>MI G2-8300
#Filter>sloan g
#Exposure>60s
#Target>PP Lac
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>

----- EBFit result: -----
TminGJD = 2460561.57011
Error (1 sigma): +0.00013/-0.00016 (Bootstrapping), +0.00005/-0.00005 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00025/-0.00030 (Bootstrapping), +0.00006/-0.00006 (Prayer bead)
LSM: chi^2 = 113.0, n_freedom = 33

. . .

New minimum 8/19/2023

PP Lac

105

Milan Uhlar, JIRNY

QHY294, LNS200, OAT

QHY294, LNS200, OAT
filter: clear
temp: -5C
binning: 2x2
exp_time: 90sec.
equip.: QHY294
lens: 200/4

----- EBFit result: -----
Tmin = 2460175.45061
Error (1 sigma): +0.00019/-0.00017 (Bootstrapping), +0.00006/-0.00004 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI): +0.00038/-0.00034 (Bootstrapping), +0.00011/-0.00006 (Prayer bead)
LSM: chi^2 = 20.7, n_freedom = 40

. . .

New observation 8/19/2023

PP Lac

105

Milan Uhlar, JIRNY

QHY294, LNS200, OAT

QHY294, LNS200, OAT
filter: clear
temp: -5C
binning: 2x2
exp_time: 90sec.
equip.: QHY294
lens: 200/4

. . .

New observation 6/5/2023

PP Lac

105

Matúš Kamenec, Kolonica

SkyWatcher Newton 200/1200

SkyWatcher Newton 200/1200
#Observatory>Kolonica
#Observer>Matus Kamenec
#Telescope>SkyWatcher 200/1200 / EQ6
#Instrument>Canon EOS 500D
#Filter>Clear
#Exposure>30s ISO 800
#Target>PP Lac
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>

----- EBFit result: -----
TminGJD = 2460097.42665
Error (1 sigma): +0.00015/-0.00016 (Bootstrapping), +0.00006/-0.00005 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI): +0.00030/-0.00032 (Bootstrapping), +0.00009/-0.00007 (Prayer bead)
LSM: chi^2 = 223.9, n_freedom = 129

. . .

New observation 7/8/2022

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000
předpověď primárního minima JDhel=2459754.4075 - 21h46m UT (Mo=45595.43 per.= 0.401161 dne) - minimum nastalo o 30m40s později

. . .

New observation 7/8/2022

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000
předpověď primárního minima JDhel=2459754.4075 - 21h46m UT (Mo=45595.43 per.= 0.401161 dne) - minimum nastalo o 30m40s později

. . .

New minimum 7/8/2022

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000

----- EBFit result: -----
Tmin = 2459754.42889
Error (1 sigma): +0.00013/-0.00011 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00025/-0.00023 (Bootstrapping), +0.00008/-0.00008 (Prayer bead)
LSM: chi^2 = 229.0, n_freedom = 104

. . .

New minimum 7/8/2022

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000

----- EBFit result: -----
Tmin = 2459754.42890
Error (1 sigma): +0.00011/-0.00010 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00021/-0.00020 (Bootstrapping), +0.00013/-0.00014 (Prayer bead)
LSM: chi^2 = 1169.2, n_freedom = 109

. . .

New observation 10/25/2021

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + CCD QHY 174

Sky-Watcher NWT 254/1200 + CCD QHY 174
předpověď primárního minima JDhel=2459509.2982 - 19h09m UT (Mo=45595.43 per.= 0.401161 dne) - minimum nastalo o 27m28s později

. . .

New minimum 10/25/2021

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + CCD QHY 174

Sky-Watcher NWT 254/1200 + CCD QHY 174

----- EBFit result: -----
Tmin = 2459509.31378
Error (1 sigma): +0.00008/-0.00008 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00016/-0.00016 (Bootstrapping), +0.00005/-0.00005 (Prayer bead)
LSM: chi^2 = 1965.4, n_freedom = 263

. . .

New observation 10/17/2021

PP Lac

105

Matúš Kamenec, Prešov

SkyWatcher REF 102/500

SkyWatcher REF 102/500
Observatory>Presov
#Observer>Matus Kamenec
#Telescope>SkyWatcher 102/500 / EQ3-2 GoTo
#Instrument>Canon EOS 500D
#Filter>Clear
#Exposure>60s ISO 1600
#Target>PP Lac
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>
#Comment>

----- EBFit result: -----
TminGJD = 2459504.49966
Error (1 sigma): +0.00022/-0.00021 (Bootstrapping), +0.00013/-0.00017 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI): +0.00044/-0.00042 (Bootstrapping), +0.00023/-0.00033 (Prayer bead)
LSM: chi^2 = 49.9, n_freedom = 53

. . .

New minimum 7/30/2021

PP Lac

105

Dvořák P., Borovany, Astronomický tábor

200/1000 Newton, CMOS C2-12000AC

200/1000 Newton, CMOS C2-12000AC
30s exp.

----- EBFit result: -----
Tmin = 2459425.47177
Error (1 sigma): +0.00014/-0.00014 (Bootstrapping), +0.00008/-0.00009 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI): +0.00028/-0.00029 (Bootstrapping), +0.00012/-0.00017 (Prayer bead)
LSM: chi^2 = 163.0, n_freedom = 176

. . .

New observation 2/10/2020

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000
předpověď primárního minima JDhel=2458872.2544 - 18h06m UT (Mo=45595.43 per.= 0.401161 dne) - minimum nastalo o 19 minut později

. . .

New minimum 2/10/2020

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000

----- EBFit result: -----
Tmin = 2458872.26844
Error (1 sigma): +0.00006/-0.00006 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00011/-0.00011 (Bootstrapping), +0.00004/-0.00005 (Prayer bead)
LSM: chi^2 = 1411.9, n_freedom = 368

. . .

New observation 10/21/2019

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

PÚPAVA RL 280/1500

PÚPAVA RL 280/1500
#Observatory>Kolonica
#Observer>DPV
#Telescope>Pupava
#Instrument>MII G2-1600
#Filter>I
#Exposure>60.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS
#Comment>binning 1x1

----- EBFit result: -----
TminGJD = 2458774.37978
Error (1 sigma): +0.00015/-0.00014 (Bootstrapping), +0.00008/-0.00008 (Prayer bead), +0.00278/-0.00278 (LSM)
Error (95% CI): +0.00026/-0.00028 (Bootstrapping), +0.00015/-0.00019 (Prayer bead)
LSM: chi^2 = 0.0, n_freedom = 13

. . .

New observation 7/2/2019

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

PÚPAVA RL 280/1500

PÚPAVA RL 280/1500
#Observatory>Kolonica
#Observer>DPV
#Telescope>Pupava
#Instrument>MII G2-1600
#Filter>V
#Exposure>120.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS
#Comment>binning 1x1

----- EBFit result: -----
TminGJD = 2458665.46757
Error (1 sigma): +0.00025/-0.00031 (Bootstrapping), +0.00007/-0.00005 (Prayer bead), +0.00066/-0.00066 (LSM)
Error (95% CI): +0.00054/-0.00056 (Bootstrapping), +0.00014/-0.00013 (Prayer bead)
LSM: chi^2 = 4.2, n_freedom = 23
secondary minimum

. . .

New observation 7/2/2019

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

PÚPAVA RL 280/1500

PÚPAVA RL 280/1500
#Observatory>Kolonica
#Observer>DPV
#Telescope>Pupava
#Instrument>MII G2-1600
#Filter>I
#Exposure>120.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS
#Comment>binning 1x1

----- EBFit result: -----
TminGJD = 2458665.46733
Error (1 sigma): +0.00014/-0.00013 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00093/-0.00093 (LSM)
Error (95% CI): +0.00028/-0.00025 (Bootstrapping), +0.00008/-0.00005 (Prayer bead)
LSM: chi^2 = 0.6, n_freedom = 23
secondary minimum

. . .

New observation 7/2/2019

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

PÚPAVA RL 280/1500

PÚPAVA RL 280/1500
#Observatory>Kolonica
#Observer>DPV
#Telescope>Pupava
#Instrument>MII G2-1600
#Filter>V
#Exposure>120.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS
#Comment>binning 1x1

----- EBFit result: -----
TminGJD = 2458664.46412
Error (1 sigma): +0.00018/-0.00016 (Bootstrapping), +0.00008/-0.00012 (Prayer bead), +0.00077/-0.00077 (LSM)
Error (95% CI): +0.00036/-0.00031 (Bootstrapping), +0.00011/-0.00015 (Prayer bead)
LSM: chi^2 = 1.4, n_freedom = 22

. . .

New observation 7/2/2019

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

PÚPAVA RL 280/1500

PÚPAVA RL 280/1500
#Observatory>Kolonica
#Observer>DPV
#Telescope>Pupava
#Instrument>MII G2-1600
#Filter>I
#Exposure>120.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS
#Comment>binning 1x1

----- EBFit result: -----
TminGJD = 2458664.46449
Error (1 sigma): +0.00013/-0.00013 (Bootstrapping), +0.00005/-0.00006 (Prayer bead), +0.00098/-0.00098 (LSM)
Error (95% CI): +0.00028/-0.00026 (Bootstrapping), +0.00008/-0.00011 (Prayer bead)
LSM: chi^2 = 0.4, n_freedom = 22

. . .

New minimum 1/31/2019

PP Lac

105

Bragagnolo U., Gruppo Astrofili Salese S.M di Sala (Venezia ) ITALIA

Sky-Watcher REF 100/900 + QHY9

Sky-Watcher REF 100/900 + QHY9
----- EBFit result: -----
Tmin = 2458439.40856
Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00023/-0.00023 (Bootstrapping), +0.00005/-0.00009 (Prayer bead)
LSM: chi^2 = 298.5, n_freedom = 124

. . .

New observation 11/13/2018

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

VNT RL 1000/9000

VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>C14
#Instrument>MII G2-1600
#Filter>V
#Exposure>60.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS and MCV
#Comment>

. . .

New observation 11/13/2018

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 14

Celestron 14
#Observatory>Kolonica
#Observer>Medulka
#Telescope>C14
#Instrument>MII G2-1600
#Filter>I
#Exposure>60.0
#Target>PP Lac
#Position>22:42:38.66;+53:25:02.8
#MainComp>22:42:38.52;+53:23:17.5;B=13.684,V=12.290
#Source>APASS
#Magnitude system>DIF
#Time system>JD geocentric
#Reduction>Ensemble photometry with CoLiTecVS and MCV
#Comment>

. . .

New minimum 8/21/2018

PP Lac

105

David Štegner, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 MII G2-1600

Celestron SCT 355/2460 MII G2-1600
----- EBFit result: -----
Tmin = 2458349.54881
Error (1 sigma): +0.00010/-0.00009 (Bootstrapping), +0.00007/-0.00007 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00021/-0.00019 (Bootstrapping), +0.00010/-0.00010 (Prayer bead)
LSM: chi^2 = 426.5, n_freedom = 52

. . .

New observation 8/20/2018

PP Lac

105

Matúš Kamenec, Kolonica

SkyWatcher Newton 150/750

SkyWatcher Newton 150/750
Observatory>Kolonica
#Observer>Matus Kamenec
#Telescope>MASHA - SkyWatcher 150/750 / NEQ-6
#Instrument>Canon EOS 500D
#Filter>Clear
#Exposure>60s ISO 1600
#Target>PP Lac
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Ensemble photometry with MuniWin and MCV
#Comment>

----- EBFit result: -----
TminGJD = 2458350.35099
Error (1 sigma): +0.00025/-0.00020 (Bootstrapping), +0.00037/-0.00032 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00043/-0.00041 (Bootstrapping), +0.00079/-0.00059 (Prayer bead)
LSM: chi^2 = 930.8, n_freedom = 71

. . .

New observation 11/9/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
#Telescope>C11
#CCD>MII G2-1600
#Observer>DPV
#Filter>V
#Exposure>60s
#Target>PP Lac
#Position>22:42:38.62;+53:24:57.8
#MainComp>22:42:38.09;+53:23:12.9;B=13.684,V=12.290
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>V-C
#Reduction process>Ensemble photometry with Muniwin and MCV
#Note>

----- EBFit result: -----
TminHJD = 2458064.32332
Error (1 sigma): +0.00008/-0.00009 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00018/-0.00018 (Bootstrapping), +0.00008/-0.00011 (Prayer bead)
LSM: chi^2 = 118.5, n_freedom = 48

. . .

New observation 11/9/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
#Telescope>C11
#CCD>MII G2-1600
#Observer>DPV
#Filter>I
#Exposure>60s
#Target>PP Lac
#Position>22:42:38.62;+53:24:57.8
#MainComp>22:42:38.09;+53:23:12.9;B=13.684,V=12.290
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>V-C
#Reduction process>Ensemble photometry with Muniwin and MCV
#Note>

----- EBFit result: -----
TminHJD = 2458064.32332
Error (1 sigma): +0.00010/-0.00010 (Bootstrapping), +0.00007/-0.00009 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00020/-0.00020 (Bootstrapping), +0.00009/-0.00015 (Prayer bead)
LSM: chi^2 = 175.1, n_freedom = 51

. . .

New observation 9/10/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 9/10/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 9/10/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 9/10/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 9/6/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
#Telescope>Ziga 508/3454
#CCD>MII G4-16000
#Observer>DPV
#Filter>V
#Exposure>40s
#Target>PP Lac
#Position>22:42:38.62;+53:24:57.8
#MainComp>22:42:38.09;+53:23:12.9;B=13.684,V=12.290
#Source>APASS
#Time system>JD geocentric
#Magnitude system>V-C
#Reduction process>Ensemble photometry with CoLiTecVS and MCV
#Note>fullframe

----- EBFit result: -----
TminGJD = 2457996.32575
Error (1 sigma): +0.00023/-0.00024 (Bootstrapping), +0.00010/-0.00011 (Prayer bead), +0.00090/-0.00090 (LSM)
Error (95% CI): +0.00056/-0.00043 (Bootstrapping), +0.00012/-0.00022 (Prayer bead)
LSM: chi^2 = 1.2, n_freedom = 19

----- EBFit result: -----
TminGJD = 2457996.52381
Error (1 sigma): +0.00017/-0.00016 (Bootstrapping), +0.00008/-0.00008 (Prayer bead), +0.00071/-0.00071 (LSM)
Error (95% CI): +0.00035/-0.00033 (Bootstrapping), +0.00012/-0.00015 (Prayer bead)
LSM: chi^2 = 1.3, n_freedom = 19

. . .

New observation 9/6/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
#Telescope>Ziga 508/3454
#CCD>MII G4-16000
#Observer>DPV
#Filter>R
#Exposure>30s
#Target>PP Lac
#Position>22:42:38.62;+53:24:57.8
#MainComp>22:42:38.09;+53:23:12.9;B=13.684,V=12.290
#Source>APASS
#Time system>JD geocentric
#Magnitude system>V-C
#Reduction process>Ensemble photometry with CoLiTecVS and MCV
#Note>fullframe

----- EBFit result: -----
TminGJD = 2457996.32552
Error (1 sigma): +0.00025/-0.00021 (Bootstrapping), +0.00006/-0.00004 (Prayer bead), +0.00093/-0.00093 (LSM)
Error (95% CI): +0.00047/-0.00041 (Bootstrapping), +0.00011/-0.00008 (Prayer bead)
LSM: chi^2 = 1.0, n_freedom = 19

----- EBFit result: -----
TminGJD = 2457996.52350
Error (1 sigma): +0.00019/-0.00020 (Bootstrapping), +0.00007/-0.00010 (Prayer bead), +0.00073/-0.00073 (LSM)
Error (95% CI): +0.00040/-0.00042 (Bootstrapping), +0.00009/-0.00012 (Prayer bead)
LSM: chi^2 = 1.1, n_freedom = 19

. . .

New observation 9/6/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
#Telescope>Ziga 508/3454
#CCD>MII G4-16000
#Observer>DPV
#Filter>I
#Exposure>40s
#Target>PP Lac
#Position>22:42:38.62;+53:24:57.8
#MainComp>22:42:38.09;+53:23:12.9;B=13.684,V=12.290
#Source>APASS
#Time system>JD geocentric
#Magnitude system>V-C
#Reduction process>Ensemble photometry with CoLiTecVS and MCV
#Note>fullframe

----- EBFit result: -----
TminGJD = 2457996.32537
Error (1 sigma): +0.00021/-0.00023 (Bootstrapping), +0.00004/-0.00006 (Prayer bead), +0.00097/-0.00097 (LSM)
Error (95% CI): +0.00045/-0.00049 (Bootstrapping), +0.00014/-0.00007 (Prayer bead)
LSM: chi^2 = 0.6, n_freedom = 17

----- EBFit result: -----
TminGJD = 2457996.52373
Error (1 sigma): +0.00018/-0.00015 (Bootstrapping), +0.00007/-0.00008 (Prayer bead), +0.00078/-0.00078 (LSM)
Error (95% CI): +0.00036/-0.00030 (Bootstrapping), +0.00013/-0.00014 (Prayer bead)
LSM: chi^2 = 0.8, n_freedom = 18

. . .

New observation 9/6/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
#Telescope>Ziga 508/3454
#CCD>MII G4-16000
#Observer>DPV
#Filter>B
#Exposure>60s
#Target>PP Lac
#Position>22:42:38.62;+53:24:57.8
#MainComp>22:42:38.09;+53:23:12.9;B=13.684,V=12.290
#Source>APASS
#Time system>JD geocentric
#Magnitude system>V-C
#Reduction process>Ensemble photometry with CoLiTecVS and MCV
#Note>fullframe

----- EBFit result: -----
TminGJD = 2457996.32592
Error (1 sigma): +0.00014/-0.00017 (Bootstrapping), +0.00002/-0.00002 (Prayer bead), +0.00094/-0.00094 (LSM)
Error (95% CI): +0.00033/-0.00031 (Bootstrapping), +0.00004/-0.00005 (Prayer bead)
LSM: chi^2 = 0.4, n_freedom = 17

----- EBFit result: -----
TminGJD = 2457996.52361
Error (1 sigma): +0.00016/-0.00015 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00068/-0.00068 (LSM)
Error (95% CI): +0.00033/-0.00031 (Bootstrapping), +0.00008/-0.00013 (Prayer bead)
LSM: chi^2 = 1.2, n_freedom = 18

. . .

New observation 8/4/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+V; exp 60s
C11 280/2800 + MII G2-1600 + DPV
Ensemble photometry with CollitecVS and MCV, MainComp: GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2457962.42750
Error (1 sigma): +0.00012/-0.00013 (Bootstrapping), +0.00008/-0.00008 (Prayer bead), +0.00049/-0.00049 (LSM)
Error (95% CI): +0.00022/-0.00027 (Bootstrapping), +0.00009/-0.00013 (Prayer bead)
LSM: chi^2 = 3.2, n_freedom = 45

. . .

New observation 8/4/2017

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+I; exp 60s
C11 280/2800 + MII G2-1600 + DPV
Ensemble photometry with CollitecVS and MCV, MainComp: GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2457962.42758
Error (1 sigma): +0.00013/-0.00010 (Bootstrapping), +0.00007/-0.00007 (Prayer bead), +0.00052/-0.00052 (LSM)
Error (95% CI): +0.00024/-0.00023 (Bootstrapping), +0.00011/-0.00013 (Prayer bead)
LSM: chi^2 = 2.2, n_freedom = 43

. . .

New observation 10/8/2016

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+V; exp 60s
C11 280/2800 + MII G2-1600 + DPV
Images calibrated with OLDAS, Ensemble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2457633.47651
Error (1 sigma): +0.00010/-0.00010 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00020/-0.00019 (Bootstrapping), +0.00006/-0.00010 (Prayer bead)
LSM: chi^2 = 153.3, n_freedom = 52

. . .

New observation 10/8/2016

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+I; exp 60s
C11 280/2800 + MII G2-1600 + DPV
Images calibrated with OLDAS, Ensemble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2457633.47655
Error (1 sigma): +0.00009/-0.00008 (Bootstrapping), +0.00008/-0.00007 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00017/-0.00017 (Bootstrapping), +0.00010/-0.00018 (Prayer bead)
LSM: chi^2 = 77.7, n_freedom = 40

. . .

New observation 9/26/2016

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 + MII G2-1600

Celestron SCT 355/2460 + MII G2-1600
předpověď primárního minima JDhel=2457654.3296 - 19h54m UT (Mo=45595.43 per.= 0.401161 dne) - minimum nastalo o 10 minut později

. . .

New observation 9/26/2016

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 + MII G2-1600

Celestron SCT 355/2460 + MII G2-1600
předpověď primárního minima JDhel=2457654.3296 - 19h54m UT (Mo=45595.43 per.= 0.401161 dne) - minimum nastalo o 10 minut později

. . .

New minimum 9/26/2016

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 + MII G2-1600

Celestron SCT 355/2460 + MII G2-1600

----- EBFit result: -----
Tmin = 2457654.33341
Error (1 sigma): +0.00014/-0.00011 (Bootstrapping), +0.00008/-0.00008 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00028/-0.00021 (Bootstrapping), +0.00011/-0.00015 (Prayer bead)
LSM: chi^2 = 467.1, n_freedom = 38

. . .

New minimum 9/26/2016

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 + MII G2-1600

Celestron SCT 355/2460 + MII G2-1600

----- EBFit result: -----
Tmin = 2457654.33305
Error (1 sigma): +0.00010/-0.00012 (Bootstrapping), +0.00010/-0.00008 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00021/-0.00024 (Bootstrapping), +0.00013/-0.00012 (Prayer bead)
LSM: chi^2 = 167.5, n_freedom = 43

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+V; exp 40s; Ziga binning 2x2 fullframe
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457235.52213
Error (1 sigma): +0.00013/-0.00014 (Bootstrapping), +0.00006/-0.00007 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00028/-0.00029 (Bootstrapping), +0.00007/-0.00014 (Prayer bead)
LSM: chi^2 = 188.5, n_freedom = 20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+R; exp 40s; Ziga binning 2x2 fullframe
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457235.52224
Error (1 sigma): +0.00023/-0.00024 (Bootstrapping), +0.00003/-0.00002 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00045/-0.00048 (Bootstrapping), +0.00010/-0.00004 (Prayer bead)
LSM: chi^2 = 684.8, n_freedom = 22

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+I; exp 60s; Ziga binning 2x2 fullframe
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457235.52251
Error (1 sigma): +0.00018/-0.00016 (Bootstrapping), +0.00001/-0.00001 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00037/-0.00032 (Bootstrapping), +0.00004/-0.00003 (Prayer bead)
LSM: chi^2 = 339.0, n_freedom = 24

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+B; exp 60s; Ziga binning 2x2 fullframe
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457235.52226
Error (1 sigma): +0.00019/-0.00016 (Bootstrapping), +0.00009/-0.00012 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00034/-0.00038 (Bootstrapping), +0.00013/-0.00026 (Prayer bead)
LSM: chi^2 = 161.0, n_freedom = 18

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+V; exp 40s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457228.50273
Error (1 sigma): +0.00018/-0.00018 (Bootstrapping), +0.00004/-0.00006 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00034/-0.00039 (Bootstrapping), +0.00014/-0.00010 (Prayer bead)
LSM: chi^2 = 76.6, n_freedom = 16

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+R; exp 40s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457228.50255
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00007/-0.00005 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00031/-0.00033 (Bootstrapping), +0.00011/-0.00009 (Prayer bead)
LSM: chi^2 = 112.5, n_freedom = 17

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+I; exp 60s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457228.50249
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00007/-0.00005 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00033/-0.00036 (Bootstrapping), +0.00017/-0.00007 (Prayer bead)
LSM: chi^2 = 116.6, n_freedom = 15

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+B; exp 60s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457228.50295
Error (1 sigma): +0.00017/-0.00022 (Bootstrapping), +0.00011/-0.00007 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00036/-0.00040 (Bootstrapping), +0.00016/-0.00014 (Prayer bead)
LSM: chi^2 = 48.6, n_freedom = 15

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+V; exp 40s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457226.49720
Error (1 sigma): +0.00014/-0.00017 (Bootstrapping), +0.00005/-0.00009 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00029/-0.00033 (Bootstrapping), +0.00019/-0.00016 (Prayer bead)
LSM: chi^2 = 148.2, n_freedom = 20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+R; exp 40s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457226.49714
Error (1 sigma): +0.00014/-0.00014 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00029/-0.00028 (Bootstrapping), +0.00011/-0.00010 (Prayer bead)
LSM: chi^2 = 111.8, n_freedom = 16

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+I; exp 60s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457226.49694
Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00005/-0.00007 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00027/-0.00024 (Bootstrapping), +0.00010/-0.00010 (Prayer bead)
LSM: chi^2 = 92.4, n_freedom = 18

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+B; exp 60s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457226.49742
Error (1 sigma): +0.00022/-0.00018 (Bootstrapping), +0.00009/-0.00013 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00041/-0.00038 (Bootstrapping), +0.00018/-0.00021 (Prayer bead)
LSM: chi^2 = 124.4, n_freedom = 17

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+V; exp 40s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457224.49146
Error (1 sigma): +0.00017/-0.00014 (Bootstrapping), +0.00010/-0.00011 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00038/-0.00031 (Bootstrapping), +0.00016/-0.00017 (Prayer bead)
LSM: chi^2 = 229.3, n_freedom = 23

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+R; exp 40s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457224.49140
Error (1 sigma): +0.00026/-0.00024 (Bootstrapping), +0.00013/-0.00013 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00058/-0.00047 (Bootstrapping), +0.00027/-0.00024 (Prayer bead)
LSM: chi^2 = 1037.2, n_freedom = 29

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+I; exp 60s; Ziga binning 2x2 fullframe; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457224.49131
Error (1 sigma): +0.00017/-0.00015 (Bootstrapping), +0.00006/-0.00004 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00036/-0.00030 (Bootstrapping), +0.00012/-0.00017 (Prayer bead)
LSM: chi^2 = 318.7, n_freedom = 26

. . .

New observation 11/30/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+B; exp 60s; Ziga binning 2x2 fullframe; ; secondary minimum
Ziga 508/3454 + MII G4-16000 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457224.49170
Error (1 sigma): +0.00029/-0.00021 (Bootstrapping), +0.00015/-0.00018 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00062/-0.00045 (Bootstrapping), +0.00025/-0.00031 (Prayer bead)
LSM: chi^2 = 757.4, n_freedom = 34

. . .

New observation 7/7/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+V; exp 60s; secondary minimum
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2457206.44084
Error (1 sigma): +0.00013/-0.00014 (Bootstrapping), +0.00012/-0.00007 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00026/-0.00027 (Bootstrapping), +0.00014/-0.00014 (Prayer bead)
LSM: chi^2 = 259.0, n_freedom = 57

. . .

New observation 7/7/2015

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+I; exp 60s; secondary minimum
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2457206.44044
Error (1 sigma): +0.00011/-0.00010 (Bootstrapping), +0.00007/-0.00004 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00022/-0.00021 (Bootstrapping), +0.00010/-0.00006 (Prayer bead)
LSM: chi^2 = 158.4, n_freedom = 54

. . .

New observation 10/16/2014

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+V; exp 60s; binning 1x1
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2456943.47736
Error (1 sigma): +0.00015/-0.00015 (Bootstrapping), +0.00010/-0.00010 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI): +0.00030/-0.00029 (Bootstrapping), +0.00019/-0.00025 (Prayer bead)
LSM: chi^2 = 122.3, n_freedom = 44

. . .

New observation 10/16/2014

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+I; exp 60s; binning 1x1
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 2197-1328, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2456943.47738
Error (1 sigma): +0.00012/-0.00013 (Bootstrapping), +0.00008/-0.00009 (Prayer bead), +0.00009/-0.00009 (LSM)
Error (95% CI): +0.00025/-0.00026 (Bootstrapping), +0.00014/-0.00011 (Prayer bead)
LSM: chi^2 = 101.3, n_freedom = 42

. . .

New minimum 7/19/2014

PP Lac

105

M. Magris, Opicina, Trieste, IT

Schmidt-Newton 0.25m F/4, CCD MX 716

Schmidt-Newton 0.25m F/4, CCD MX 716

----- EBFit result: -----
Tmin = 2456857.42906
Error (1 sigma): +0.00011/-0.00011 (Bootstrapping), +0.00009/-0.00011 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00022/-0.00023 (Bootstrapping), +0.00017/-0.00017 (Prayer bead)
LSM: chi^2 = 146.9, n_freedom = 49

. . .

New observation 9/5/2013

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

Celestron 11

Celestron 11
CCD+V; exp 60s; with autoguiding
C11 280/1450 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = GSC 3984-1619, B=13.684 V=12.290 (APASS)
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2456540.30946
Error (1 sigma): +0.00007/-0.00007 (Bootstrapping), +0.00015/-0.00016 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00013/-0.00014 (Bootstrapping), +0.00035/-0.00033 (Prayer bead)
LSM: chi^2 = 173.1, n_freedom = 91

. . .

New observation 10/25/2012

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

photolense 400mm

photolense 400mm
CCD+V; exp 120s
photolense 400mm + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = TYC3984-01519-1, V=10.52, B-V=0.28
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2456219.37991
Error (1 sigma): +0.00034/-0.00038 (Bootstrapping), +0.00011/-0.00006 (Prayer bead), +0.00033/-0.00033 (LSM)
Error (95% CI): +0.00068/-0.00071 (Bootstrapping), +0.00017/-0.00016 (Prayer bead)
LSM: chi^2 = 21.1, n_freedom = 21

. . .

New observation 10/25/2012

PP Lac

105

Pavol A. Dubovsky, AO Kolonica

photolense 400mm

photolense 400mm
CCD+R; exp 120s
photolense 400mm + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = TYC3984-01519-1, V=10.52, B-V=0.28
JD heliocentric, V-C magnitudes

----- EBFit result: -----
TminHJD = 2456219.37991
Error (1 sigma): +0.00051/-0.00036 (Bootstrapping), +0.00030/-0.00040 (Prayer bead), +0.00033/-0.00033 (LSM)
Error (95% CI): +0.00079/-0.00074 (Bootstrapping), +0.00056/-0.00051 (Prayer bead)
LSM: chi^2 = 21.6, n_freedom = 20

. . .

New observation 10/1/2012

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600
předpověď sekundárního minima JDg=2456196.3071 - 19h22m UT (Mo=45595.631 per.=0.401161 dne) - minimum nastalo o 3 min. později

. . .

New observation 10/1/2012

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600
předpověď sekundárního minima JDg=2456196.3071 - 19h22m UT (Mo=45595.631 per.=0.401161 dne) - minimum nastalo o 3 min. později

. . .

New observation 10/1/2012

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600
předpověď sekundárního minima JDg=2456196.3071 - 19h22m UT (Mo=45595.631 per.=0.401161 dne) - minimum nastalo o 3 min. později

. . .

New minimum 9/27/2012

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

. . .

New minimum 9/27/2012

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

. . .

New minimum 9/27/2012

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

. . .

New minimum 6/19/2012

PP Lac

105

Urbaník M., Čadca

ED 80/600, G1 0300

. . .

New observation 6/19/2012

PP Lac

105

Urbaník M., Čadca

ED 80/600, G1 0300

. . .

New observation 9/28/2011

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 1600

Celestron 280/1765 + CCD G2 1600
předpověď primárního minima JDg=2455831.4508 - 22h49m UT (Mo=45595.43 per.=0.401161) - minimum nastalo o 5 minut později

. . .

New observation 9/28/2011

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 1600

Celestron 280/1765 + CCD G2 1600
předpověď primárního minima JDg=2455831.4508 - 22h49m UT (Mo=45595.43 per.=0.401161) - minimum nastalo o 5 minut později

. . .

New minimum 9/27/2011

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 1600

. . .

New minimum 9/27/2011

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 1600

. . .

New observation 9/19/2011

PP Lac

105

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 1600

Celestron 280/1765 + CCD G2 1600
předpověď sekundárního minima JDg=2455822.4252 - 22h12m UT (Mo=45595.631 per.=0.401161 dne) - minimum nastalo o 4 minuty později

. . .