Recent

New minimum 11/9/2025

CN And

Bill Tschumy, Home Observatory, 11/9/2025

Agema 130 SD; ZWO 2600MM Pro, V,B

. . .

New observation 11/9/2025

CN And

Bill Tschumy, Home Observatory, 11/9/2025

Agema 130 SD; ZWO 2600MM Pro, V,B

. . .

New minimum 8/15/2024

Vixen 20cm VMC200L

----- EBFit result: -----
Tmin = 2460537.38761
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00012/-0.00012 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI): +0.00028/-0.00029 (Bootstrapping), +0.00017/-0.00017 (Prayer bead)
LSM: chi^2 = 421.7, n_freedom = 192

. . .

New observation 12/15/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 200/800 + MII C2-7000A

Sky-Watcher NWT 200/800 + MII C2-7000A
předpověď primárního minima JDhel=2459927.4585 - 23h00m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 35 minut dříve

. . .

New observation 12/15/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 200/800 + MII C2-7000A

Sky-Watcher NWT 200/800 + MII C2-7000A
předpověď sekundárního minima JDhel=2459927.2271 - 17h27m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 31 minut dříve

. . .

New minimum 12/15/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 200/800 + MII C2-7000A

Sky-Watcher NWT 200/800 + MII C2-7000A

----- EBFit result: -----
Tmin = 2459927.43146
Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00048/-0.00046 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00022/-0.00022 (Bootstrapping), +0.00054/-0.00057 (Prayer bead)
LSM: chi^2 = 1306.5, n_freedom = 328

. . .

New minimum 12/15/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 200/800 + MII C2-7000A

Sky-Watcher NWT 200/800 + MII C2-7000A

----- EBFit result: -----
Tmin = 2459927.20291
Error (1 sigma): +0.00010/-0.00011 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI): +0.00020/-0.00020 (Bootstrapping), +0.00007/-0.00009 (Prayer bead)
LSM: chi^2 = 136.7, n_freedom = 159

. . .

New observation 11/18/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 200/800 + MII C2-7000A

Sky-Watcher NWT 200/800 + MII C2-7000A
předpověď sekundárního minima JDhel=2459898.3027 - 19h15m UT (Mo=50698.94470 per.=0.46279092 dne) - minimum nastalo o 33 minut dříve

. . .

New minimum 11/18/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 200/800 + MII C2-7000A

Sky-Watcher NWT 200/800 + MII C2-7000A

----- EBFit result: -----
Tmin = 2459898.27495
Error (1 sigma): +0.00010/-0.00008 (Bootstrapping), +0.00015/-0.00017 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00018/-0.00018 (Bootstrapping), +0.00021/-0.00021 (Prayer bead)
LSM: chi^2 = 348.6, n_freedom = 103

. . .

New minimum 11/16/2022

CN And

Stanislav Holý, Ratměřice

BAADER REF 66/400 + ZWO ASI 178MM + reducer 0.8x

BAADER REF 66/400 + ZWO ASI 178MM + reducer 0.8x
----- EBFit result: -----
Tmin = 2459898.27397
Error (1 sigma): +0.00008/-0.00009 (Bootstrapping), +0.00016/-0.00022 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00017/-0.00017 (Bootstrapping), +0.00024/-0.00026 (Prayer bead)
LSM: chi^2 = 1551.3, n_freedom = 169

. . .

New minimum 8/27/2022

CN And

Milan Uhlar, Valašské Meziříčí

Canon 7D MarkII, LNS500, OAT

Canon 7D MarkII, LNS500, OAT
ISO800, GG binning2x2, 110sec, F8

----- EBFit result: -----
Tmin = 2459818.44793
Error (1 sigma): +0.00051/-0.00054 (Bootstrapping), +0.00013/-0.00023 (Prayer bead), +0.00029/-0.00029 (LSM)
Error (95% CI): +0.00102/-0.00103 (Bootstrapping), +0.00045/-0.00038 (Prayer bead)
LSM: chi^2 = 156.7, n_freedom = 62

. . .

New observation 8/27/2022

CN And

Milan Uhlar, Valašské Meziříčí

Canon 7D MarkII, LNS500, OAT

Canon 7D MarkII, LNS500, OAT
ISO800, GG binning2x2, 110sec, F8

----- EBFit result: -----
TminGJD = 2459818.44779
Error (1 sigma): +0.00056/-0.00056 (Bootstrapping), +0.00031/-0.00033 (Prayer bead), +0.00030/-0.00030 (LSM)
Error (95% CI): +0.00111/-0.00107 (Bootstrapping), +0.00048/-0.00044 (Prayer bead)
LSM: chi^2 = 140.4, n_freedom = 56

. . .

New observation 7/22/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + CCD QHY 174

Sky-Watcher NWT 254/1200 + CCD QHY 174
předpověď sekundárního minima JDhel=2459781.4479 - 22h44m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 24 minut později

. . .

New minimum 7/22/2022

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + CCD QHY 174

Sky-Watcher NWT 254/1200 + CCD QHY 174

----- EBFit result: -----
Tmin = 2459781.43072
Error (1 sigma): +0.00040/-0.00049 (Bootstrapping), +0.00036/-0.00041 (Prayer bead), +0.00025/-0.00025 (LSM)
Error (95% CI): +0.00075/-0.00102 (Bootstrapping), +0.00073/-0.00093 (Prayer bead)
LSM: chi^2 = 383.1, n_freedom = 90

. . .

New minimum 7/22/2021

CN And

Sjoerd Dufoer, Brussels - Heliport

Vixen 20cm VMC200L

Vixen 20cm VMC200L

----- EBFit result: -----
Tmin = 2459417.44117
Error (1 sigma): +0.00033/-0.00032 (Bootstrapping), +0.00012/-0.00008 (Prayer bead), +0.00022/-0.00022 (LSM)
Error (95% CI): +0.00061/-0.00061 (Bootstrapping), +0.00022/-0.00014 (Prayer bead)
LSM: chi^2 = 231.8, n_freedom = 122

. . .

New minimum 11/17/2019

CN And

Gerald Persha, Lowell, Michigan

Meade RCT 250/2500 + Optec SSP-5a

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2458804.70460
Error (1 sigma): +0.00034/-0.00025 (Bootstrapping), +0.00031/-0.00028 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI): +0.00075/-0.00050 (Bootstrapping), +0.00044/-0.00034 (Prayer bead)
LSM: chi^2 = 31.8, n_freedom = 24

. . .

New observation 10/27/2019

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402
předpověď sekundárního minima JDhel=2458781.3567 - 20h33m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 19 minut dříve

. . .

New observation 10/27/2019

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402
předpověď sekundárního minima JDhel=2458781.3567 - 20h33m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 19 minut dříve

. . .

New minimum 10/27/2019

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402

----- EBFit result: -----
Tmin = 2458781.33852
Error (1 sigma): +0.00017/-0.00019 (Bootstrapping), +0.00014/-0.00017 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00033/-0.00036 (Bootstrapping), +0.00022/-0.00022 (Prayer bead)
LSM: chi^2 = 4372.5, n_freedom = 199

. . .

New minimum 10/27/2019

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402

----- EBFit result: -----
Tmin = 2458781.33844
Error (1 sigma): +0.00015/-0.00017 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00030/-0.00032 (Bootstrapping), +0.00007/-0.00010 (Prayer bead)
LSM: chi^2 = 5660.4, n_freedom = 171

. . .

New observation 10/22/2019

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402
předpověď primárního minima JDhel=2458770.4811 - 23h32m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 26 minut dříve

. . .

New minimum 10/22/2019

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402
----- EBFit result: -----
Tmin = 2458770.45795
Error (1 sigma): +0.00005/-0.00005 (Bootstrapping), +0.00013/-0.00009 (Prayer bead), +0.00002/-0.00002 (LSM)
Error (95% CI): +0.00010/-0.00010 (Bootstrapping), +0.00020/-0.00012 (Prayer bead)
LSM: chi^2 = 4264.2, n_freedom = 487

. . .

New observation 9/5/2019

CN And

Dvořák P., Oslavany

Refraktor 80/600 mm, Nikon D810

. . .

New minimum 12/14/2018

CN And

Gerald Persha, Optec, Lowell, Michigan

Meade RCT 250/2500 + Optec SSP-5a

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2458466.64305
Error (1 sigma): +0.00062/-0.00050 (Bootstrapping), +0.00026/-0.00044 (Prayer bead), +0.00312/-0.00312 (LSM)
Error (95% CI): +0.00166/-0.00105 (Bootstrapping), +0.00051/-0.00054 (Prayer bead)
LSM: chi^2 = 0.6, n_freedom = 16

. . .

New observation 11/14/2018

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 + MII G2-1600

Celestron SCT 355/2460 + MII G2-1600
předpověď primárního minima JDhel=2458431.2555 - 18h07m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 24 minut dříve

. . .

New minimum 11/14/2018

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 355/2460 + MII G2-1600

Celestron SCT 355/2460 + MII G2-1600

----- EBFit result: -----
Tmin = 2458431.23407
Error (1 sigma): +0.00007/-0.00007 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00014/-0.00014 (Bootstrapping), +0.00005/-0.00006 (Prayer bead)
LSM: chi^2 = 146.9, n_freedom = 85

. . .

New observation 10/23/2017

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402
předpověď primárního minima JDhel=2458043.4366 - 22h28m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 20 min. dříve

. . .

New minimum 10/23/2017

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Sky-Watcher NWT 254/1200 + MII G2-402

Sky-Watcher NWT 254/1200 + MII G2-402

----- EBFit result: -----
Tmin = 2458043.41781
Error (1 sigma): +0.00007/-0.00006 (Bootstrapping), +0.00007/-0.00012 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00013/-0.00013 (Bootstrapping), +0.00013/-0.00017 (Prayer bead)
LSM: chi^2 = 945.4, n_freedom = 223

. . .

New minimum 11/8/2016

CN And

Gerald Persha, Optec, Lowell, Michigan

Meade RCT 250/2500 + Optec SSP-5a

Meade RCT 250/2500 + Optec SSP-5a
PEP observations in V

----- EBFit result: -----
Tmin = 2457699.56351
Error (1 sigma): +0.00027/-0.00029 (Bootstrapping), +0.00019/-0.00012 (Prayer bead), +0.00102/-0.00102 (LSM)
Error (95% CI): +0.00057/-0.00061 (Bootstrapping), +0.00028/-0.00034 (Prayer bead)
LSM: chi^2 = 3.8, n_freedom = 51

----- EBFit result: -----
Tmin = 2457699.56359
Error (1 sigma): +0.00028/-0.00029 (Bootstrapping), +0.00014/-0.00014 (Prayer bead), +0.00104/-0.00104 (LSM)
Error (95% CI): +0.00058/-0.00062 (Bootstrapping), +0.00026/-0.00034 (Prayer bead)
LSM: chi^2 = 3.5, n_freedom = 49

. . .

New observation 10/8/2016

CN And

Pavol A. Dubovsky, AO Kolonica

Ziga CDK20

Ziga CDK20
CCD+V; exp 40s, 30s;
Ziga 508/3454 + MII G4-16000 + DPV
Images calibrated with OLDAS, Ensemble photometry with C-Munipack and MCV, MainComp = TYC2787-01927-1, B=11.482 V=10.436 R=9.79 I=9.16 (APASS)
Id: check#20 = CN And
JD geocentric, V-C magnitudes

----- EBFit result: -----
TminGJD = 2457643.56713
Error (1 sigma): +0.00017/-0.00015 (Bootstrapping), +0.00010/-0.00014 (Prayer bead), +0.00145/-0.00145 (LSM)
Error (95% CI): +0.00037/-0.00030 (Bootstrapping), +0.00012/-0.00020 (Prayer bead)
LSM: chi^2 = 0.3, n_freedom = 21

. . .

New observation 9/13/2016

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000
předpověď primárního minima JDhel=2457633.4037 - 21h41m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 20 minut dříve

. . .

New minimum 9/13/2016

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron SCT 280/1765 + MII G2-4000

Celestron SCT 280/1765 + MII G2-4000
----- EBFit result: -----
Tmin = 2457633.38611
Error (1 sigma): +0.00016/-0.00017 (Bootstrapping), +0.00012/-0.00008 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00031/-0.00032 (Bootstrapping), +0.00018/-0.00012 (Prayer bead)
LSM: chi^2 = 968.0, n_freedom = 57

. . .

New minimum 8/24/2016

CN And

Vrašťák M, Hvězdárna Valašské Meziříčí

0,15-m f/5 NWT+CCD G2-1600, pointer 80/400+G1-0300

0,15-m f/5 NWT+CCD G2-1600, pointer 80/400+G1-0300

----- EBFit result: -----
Tmin = 2457624.36822
Error (1 sigma): +0.00061/-0.00086 (Bootstrapping), +0.00050/-0.00054 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI): +0.00120/-0.00144 (Bootstrapping), +0.00115/-0.00091 (Prayer bead)
LSM: chi^2 = 114.8, n_freedom = 41

. . .

New minimum 8/24/2016

CN And

Vrašťák M, Hvězdárna Valašské Meziříčí

0,15-m f/5 NWT+CCD G2-1600, pointer 80/400+G1-0300

0,15-m f/5 NWT+CCD G2-1600, pointer 80/400+G1-0300

----- EBFit result: -----
Tmin = 2457624.36584
Error (1 sigma): +0.00055/-0.00048 (Bootstrapping), +0.00066/-0.00062 (Prayer bead), +0.00026/-0.00026 (LSM)
Error (95% CI): +0.00110/-0.00093 (Bootstrapping), +0.00112/-0.00084 (Prayer bead)
LSM: chi^2 = 110.9, n_freedom = 40

. . .

New minimum 9/2/2015

CN And

Urbaník M., Čadca

SKY-WATCHER REF 80/600 + MII G1-0300 0.5x red

SKY-WATCHER REF 80/600 + MII G1-0300 0.5x red
CCD+Clear, exp 55s, Comp: TYC 2786 406 no binning,used DF/FF.Cloudy.

----- EBFit result: -----
Tmin = 2457263.38905
Error (1 sigma): +0.00056/-0.00060 (Bootstrapping), +0.00071/-0.00067 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00112/-0.00128 (Bootstrapping), +0.00082/-0.00094 (Prayer bead)
LSM: chi^2 = 590.4, n_freedom = 106

. . .

New observation 9/2/2015

CN And

Urbaník M., Čadca

SKY-WATCHER REF 80/600 + MII G1-0300 0.5x red

SKY-WATCHER REF 80/600 + MII G1-0300 0.5x red
CCD+Clear, exp 55s, Comp: TYC 2786 406 no binning,used DF/FF.
Cloudy.

----- EBFit result: -----
TminGJD = 2457263.38872
Error (1 sigma): +0.00060/-0.00062 (Bootstrapping), +0.00087/-0.00085 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00121/-0.00126 (Bootstrapping), +0.00108/-0.00120 (Prayer bead)
LSM: chi^2 = 737.8, n_freedom = 131

. . .

New observation 11/2/2014

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 4000

Celestron 280/1765 + CCD G2 4000
předpověď primárního minima JDhel=2456960.5059 - 00h08m UT (Mo=50698.94470 per.=0.46279092 dne) - minimum nastalo o 24m30s dříve

. . .

New observation 11/2/2014

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 4000

Celestron 280/1765 + CCD G2 4000
předpověď primárního minima JDhel=2456960.5059 - 00h08m UT (Mo=50698.94470 per.=0.46279092 dne) - minimum nastalo o 24m30s dříve

. . .

New observation 11/2/2014

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 4000

Celestron 280/1765 + CCD G2 4000
předpověď primárního minima JDhel=2456960.5059 - 00h08m UT (Mo=50698.94470 per.=0.46279092 dne) - minimum nastalo o 24m30s dříve

. . .

New minimum 11/2/2014

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 4000

Celestron 280/1765 + CCD G2 4000

----- EBFit result: -----
Tmin = 2456960.48911
Error (1 sigma): +0.00014/-0.00012 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00026/-0.00027 (Bootstrapping), +0.00011/-0.00014 (Prayer bead)
LSM: chi^2 = 1043.2, n_freedom = 65

. . .

New minimum 11/2/2014

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 4000

Celestron 280/1765 + CCD G2 4000

----- EBFit result: -----
Tmin = 2456960.48864
Error (1 sigma): +0.00016/-0.00015 (Bootstrapping), +0.00006/-0.00007 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00031/-0.00030 (Bootstrapping), +0.00011/-0.00010 (Prayer bead)
LSM: chi^2 = 323.6, n_freedom = 67

. . .

New minimum 11/2/2014

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 280/1765 + CCD G2 4000

Celestron 280/1765 + CCD G2 4000

----- EBFit result: -----
Tmin = 2456960.48827
Error (1 sigma): +0.00013/-0.00013 (Bootstrapping), +0.00010/-0.00011 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00026/-0.00026 (Bootstrapping), +0.00013/-0.00017 (Prayer bead)
LSM: chi^2 = 1191.0, n_freedom = 69

. . .

New observation 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď primárního minima JDg=2456616.1855 - 16h27m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 17 min. dříve

. . .

New observation 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď primárního minima JDg=2456616.1855 - 16h27m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 17 min. dříve

. . .

New observation 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď primárního minima JDg=2456616.1855 - 16h27m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 17 min. dříve

. . .

New minimum 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456616.17286
Error (1 sigma): +0.00045/-0.00038 (Bootstrapping), +0.00017/-0.00010 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI): +0.00082/-0.00102 (Bootstrapping), +0.00030/-0.00020 (Prayer bead)
LSM: chi^2 = 62.0, n_freedom = 11

----- EBFit result: -----
Tmin = 2456616.17290
Error (1 sigma): +0.00043/-0.00042 (Bootstrapping), +0.00007/-0.00012 (Prayer bead), +0.00015/-0.00015 (LSM)
Error (95% CI): +0.00074/-0.00090 (Bootstrapping), +0.00023/-0.00023 (Prayer bead)
LSM: chi^2 = 64.4, n_freedom = 12

. . .

New minimum 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
----- EBFit result: -----
Tmin = 2456616.17372
Error (1 sigma): +0.00023/-0.00021 (Bootstrapping), +0.00010/-0.00015 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI): +0.00054/-0.00054 (Bootstrapping), +0.00016/-0.00041 (Prayer bead)
LSM: chi^2 = 52.4, n_freedom = 13

. . .

New observation 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
vzestup z minima

. . .

New observation 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
vzestup z minima

. . .

New observation 11/20/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
vzestup z minima

. . .

New observation 11/11/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď sekundárního minima JDg=2456605.3095 - 19h25m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 13m20s dříve

. . .

New observation 11/11/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď sekundárního minima JDg=2456605.3095 - 19h25m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 13m20s dříve

. . .

New minimum 11/11/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456605.29990
Error (1 sigma): +0.00027/-0.00028 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00057/-0.00050 (Bootstrapping), +0.00020/-0.00015 (Prayer bead)
LSM: chi^2 = 3816.7, n_freedom = 106

. . .

New minimum 11/11/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456605.29978
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00007/-0.00007 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00032/-0.00033 (Bootstrapping), +0.00009/-0.00012 (Prayer bead)
LSM: chi^2 = 619.3, n_freedom = 79

. . .

New observation 11/7/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
vzestup z minima

. . .

New observation 11/7/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
vzestup z minima

. . .

New observation 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď sekundárního minima JDg=2456596.5162 - 00h23m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 16 min. dříve

. . .

New observation 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď sekundárního minima JDg=2456596.5162 - 00h23m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 16 min. dříve

. . .

New observation 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď sekundárního minima JDg=2456596.5162 - 00h23m UT (Mo=50699.17609 per.= 0.46279092 dne) - minimum nastalo o 16 min. dříve

. . .

New observation 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď primárního mimima JD=2456596,2848 - 18h50m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 18 min. dříve

. . .

New observation 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď primárního mimima JD=2456596,2848 - 18h50m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 18 min. dříve

. . .

New observation 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
předpověď primárního mimima JD=2456596,2848 - 18h50m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 18 min. dříve

. . .

New minimum 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456596.27259
Error (1 sigma): +0.00024/-0.00020 (Bootstrapping), +0.00014/-0.00014 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00049/-0.00039 (Bootstrapping), +0.00025/-0.00028 (Prayer bead)
LSM: chi^2 = 428.9, n_freedom = 75

. . .

New minimum 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456596.50505
Error (1 sigma): +0.00025/-0.00041 (Bootstrapping), +0.00037/-0.00027 (Prayer bead), +0.00067/-0.00067 (LSM)
Error (95% CI): +0.00058/-0.00145 (Bootstrapping), +0.00060/-0.00218 (Prayer bead)
LSM: chi^2 = 40.4, n_freedom = 32

. . .

New minimum 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456596.27171
Error (1 sigma): +0.00017/-0.00017 (Bootstrapping), +0.00028/-0.00031 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00032/-0.00034 (Bootstrapping), +0.00033/-0.00053 (Prayer bead)
LSM: chi^2 = 1772.0, n_freedom = 79

. . .

New minimum 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402
----- EBFit result: -----
Tmin = 2456596.50840
Error (1 sigma): +0.00102/-0.00066 (Bootstrapping), +0.00111/-0.00113 (Prayer bead), +0.00075/-0.00075 (LSM)
Error (95% CI): +0.00192/-0.00136 (Bootstrapping), +0.00202/-0.00155 (Prayer bead)
LSM: chi^2 = 106.8, n_freedom = 35

. . .

New minimum 11/2/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Newton 254/1200 + CCD G2 402

Newton 254/1200 + CCD G2 402

----- EBFit result: -----
Tmin = 2456596.27228
Error (1 sigma): +0.00021/-0.00018 (Bootstrapping), +0.00017/-0.00016 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00042/-0.00038 (Bootstrapping), +0.00022/-0.00027 (Prayer bead)
LSM: chi^2 = 1004.8, n_freedom = 69

. . .

New observation 10/29/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600
předpověď primárního minima JDg=2456590.2684 -18h26m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 19 min dříve

. . .

New observation 10/29/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600
předpověď primárního minima JDg=2456590.2684 -18h26m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 19 min dříve

. . .

New observation 10/29/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600
předpověď primárního minima JDg=2456590.2684 -18h26m UT (Mo=50698.94470 per.= 0.46279092 dne) - minimum nastalo o 19 min dříve

. . .

New minimum 10/26/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600

----- EBFit result: -----
Tmin = 2456590.25611
Error (1 sigma): +0.00025/-0.00017 (Bootstrapping), +0.00032/-0.00031 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00051/-0.00033 (Bootstrapping), +0.00047/-0.00049 (Prayer bead)
LSM: chi^2 = 522.3, n_freedom = 32

. . .

New minimum 10/26/2013

CN And

Ladislav Šmelcer, Hvězdárna Valašské Meziříčí

Celestron 355/2460mm + CCD G2 1600

Celestron 355/2460mm + CCD G2 1600

----- EBFit result: -----
Tmin = 2456590.25507
Error (1 sigma): +0.00027/-0.00022 (Bootstrapping), +0.00017/-0.00015 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00055/-0.00043 (Bootstrapping), +0.00028/-0.00026 (Prayer bead)
LSM: chi^2 = 439.9, n_freedom = 33

. . .

New minimum 8/29/2013

CN And

M. Magris, Opicina, Trieste, IT

Schmidt-Newton 10 F/4, CCD MX 716

Schmidt-Newton 10 F/4, CCD MX 716
2x2 binn, exp 30 sec, 5 frames merged for each point (but still poor lightcurve)

----- EBFit result: -----
Tmin = 2456516.43448
Error (1 sigma): +0.00578/-0.00350 (Bootstrapping), +0.00515/-0.00087 (Prayer bead), +0.00018/-0.00018 (LSM)
Error (95% CI): +0.00813/-0.00692 (Bootstrapping), +0.00642/-0.00140 (Prayer bead)
LSM: chi^2 = 18089.8, n_freedom = 76

. . .

New minimum 8/9/2013

CN And

M. Magris, Opicina, Trieste, IT

Schmidt-Newton 10 F/4, CCD MX 716

Schmidt-Newton 10 F/4, CCD MX 716
2x2 binn, exp 15 sec

----- EBFit result: -----
Tmin = 2456513.42903
Error (1 sigma): +0.00133/-0.00111 (Bootstrapping), +0.00056/-0.00039 (Prayer bead), +0.00143/-0.00143 (LSM)
Error (95% CI): +0.00274/-0.00208 (Bootstrapping), +0.00114/-0.00113 (Prayer bead)
LSM: chi^2 = 81.9, n_freedom = 190

. . .

New minimum 10/20/2010