New observation
8/24/2025
PP Lac
101
CCD Expediční skupina, Astronomická expedice, Sítiny, 8/18/2025
NWT 200/1000 + AZ/EQ6 + MII G2-1600
pozorovatelé: Vojtěch Dienstbier, Radka Křížová, Vojtěch Svoboda
počasí: jasno
ročník: 2025
pozorovatelé: Vojtěch Dienstbier, Radka Křížová, Vojtěch Svoboda
počasí: jasno
ročník: 2025
. . .
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
#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
. . .
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
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
. . .
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
#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
. . .
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
----- 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
. . .
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
----- 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
. . .
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
----- 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
. . .
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
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
. . .
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
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
. . .
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
----- 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 minimum
1/31/2019
PP Lac
101
Bragagnolo U., Gruppo Astrofili Salese S.M di Sala (Venezia ) ITALIA
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
----- 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
. . .
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
----- 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
. . .
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
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
. . .
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
----- 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
. . .
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
----- 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
. . .
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
----- 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
. . .
0.40-m f/5 + CCD ST7 + R
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 22/23 IX 2010; R_90_60s (86/50); minimum P
# NOTE 2455462.38491 +/- 0.00006; 20100922 21:14:16 (UT) GEO
# COND clear weather; full moon period
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 22/23 IX 2010; R_90_60s (86/50); minimum P
# NOTE 2455462.38491 +/- 0.00006; 20100922 21:14:16 (UT) GEO
# COND clear weather; full moon period
. . .
0.40-m f/5 + CCD ST7 + R
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 22/23 IX 2010; R_90_60s (86/50); minimum P
# NOTE 2455462.38491 +/- 0.00006; 20100922 21:14:16 (UT) GEO
# COND clear weather; full moon period
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 22/23 IX 2010; R_90_60s (86/50); minimum P
# NOTE 2455462.38491 +/- 0.00006; 20100922 21:14:16 (UT) GEO
# COND clear weather; full moon period
. . .
RL 96/400 + HX516 + R
sek.2455098,33213 +-0,00023 2009-09-23 19:58:16
----- EBFit result: -----
TminGJD = 2455098.33259
Error (1 sigma): +0.00026/-0.00025 (Bootstrapping), +0.00014/-0.00015 (Prayer bead), +0.00025/-0.00025 (LSM)
Error (95% CI): +0.00053/-0.00048 (Bootstrapping), +0.00018/-0.00026 (Prayer bead)
LSM: chi^2 = 73.8, n_freedom = 85
sek.2455098,33213 +-0,00023 2009-09-23 19:58:16
----- EBFit result: -----
TminGJD = 2455098.33259
Error (1 sigma): +0.00026/-0.00025 (Bootstrapping), +0.00014/-0.00015 (Prayer bead), +0.00025/-0.00025 (LSM)
Error (95% CI): +0.00053/-0.00048 (Bootstrapping), +0.00018/-0.00026 (Prayer bead)
LSM: chi^2 = 73.8, n_freedom = 85
. . .
0.40-m f/5 + CCD ST7 + R
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 29 / 30 VII 2009; R_120_60s (114/63); minimum P
# NOTE 2455042.37168 +/- 0.00006; 20090729 20:55:13 (UT) GEO
# COND clear weather -> cirrus
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 29 / 30 VII 2009; R_120_60s (114/63); minimum P
# NOTE 2455042.37168 +/- 0.00006; 20090729 20:55:13 (UT) GEO
# COND clear weather -> cirrus
. . .
0.40-m f/5 + CCD ST7 + R
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 29 / 30 VII 2009; R_120_60s (114/63); minimum P
# NOTE 2455042.37168 +/- 0.00006; 20090729 20:55:13 (UT) GEO
# COND clear weather -> cirrus
# NAME PP Lac
# VAR 22:42:38.66 +53:25:02.8 2445595.43 0.401161 11.1-12.0 (O-C gateway 20090730)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 29 / 30 VII 2009; R_120_60s (114/63); minimum P
# NOTE 2455042.37168 +/- 0.00006; 20090729 20:55:13 (UT) GEO
# COND clear weather -> cirrus
. . .