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Eclipsing binaries minima
Exoplanetary transits
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EccentriCAT - DEEP (Citizen Astronomy Timing of Eccentric Eclipses) (
1/31/2026 - 1/31/2031)
EccentriCAT - LITE (Citizen Astronomy Timing of Eccentric Eclipses) (
1/31/2026 - 1/31/2031)
PLATO citizen photometry (
6/1/2026 - 1/1/2030)
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All objects
Eclipsing binaries
Intrinsic variables
CzeV catalog
SvkV catalog
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Recent
List
New observation
10/2/2026
AR Lac
28
Sergey Kuznetsov, Lebedyan - Backyard, 9/30/2026
TeSeek Nano, Canon 550D, MEIKE 85 1.8 AF
TeSeek Nano, Canon 550D, MEIKE 85 1.8 AF
ISO 400, f/2.8, 10 sec
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+I,exp.5 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458739.34627
Error (1 sigma): +0.00045/-0.00035 (Bootstrapping), +0.00143/-0.00125 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI): +0.00085/-0.00072 (Bootstrapping), +0.00234/-0.00278 (Prayer bead)
LSM: chi^2 = 1801.5, n_freedom = 169
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.4 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458739.34721
Error (1 sigma): +0.00038/-0.00041 (Bootstrapping), +0.00081/-0.00087 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00073/-0.00079 (Bootstrapping), +0.00102/-0.00161 (Prayer bead)
LSM: chi^2 = 5786.9, n_freedom = 167
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+V,exp.6 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458739.34784
Error (1 sigma): +0.00038/-0.00035 (Bootstrapping), +0.00108/-0.00128 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00075/-0.00068 (Bootstrapping), +0.00147/-0.00191 (Prayer bead)
LSM: chi^2 = 5817.9, n_freedom = 166
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.8 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458739.35047
Error (1 sigma): +0.00067/-0.00065 (Bootstrapping), +0.00197/-0.00132 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI): +0.00140/-0.00115 (Bootstrapping), +0.00312/-0.00199 (Prayer bead)
LSM: chi^2 = 3851.6, n_freedom = 133
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+I,exp.5 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458738.35178
Error (1 sigma): +0.00016/-0.00097 (Bootstrapping), +0.00011/-0.00088 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI): +0.00053/-0.00164 (Bootstrapping), +0.00061/-0.00132 (Prayer bead)
LSM: chi^2 = 2534.9, n_freedom = 170
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.4 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458738.35201
Error (1 sigma): +0.00044/-0.00040 (Bootstrapping), +0.00032/-0.00027 (Prayer bead), +0.00006/-0.00006 (LSM)
Error (95% CI): +0.00083/-0.00073 (Bootstrapping), +0.00070/-0.00045 (Prayer bead)
LSM: chi^2 = 6800.2, n_freedom = 175
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+V,exp.6 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458738.35268
Error (1 sigma): +0.00050/-0.00012 (Bootstrapping), +0.00052/-0.00030 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00085/-0.00042 (Bootstrapping), +0.00069/-0.00046 (Prayer bead)
LSM: chi^2 = 5581.9, n_freedom = 171
. . .
New minimum
9/17/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.8 s,comp.HD209932,2x2 bin.
----- EBFit result: -----
Tmin = 2458738.35294
Error (1 sigma): +0.00037/-0.00039 (Bootstrapping), +0.00034/-0.00028 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI): +0.00083/-0.00079 (Bootstrapping), +0.00062/-0.00090 (Prayer bead)
LSM: chi^2 = 970.3, n_freedom = 78
. . .
New observation
9/14/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+I,exp.5 s,comp.HD209932,2x2 bin.
. . .
New observation
9/14/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.4 s,comp.HD209932,2x2 bin.
. . .
New observation
9/14/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+V,exp.6 s,comp.HD209932,2x2 bin.
. . .
New observation
9/14/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.8 s,comp.HD209932,2x2 bin.
. . .
New observation
9/12/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+I,exp.5 s,comp.HD209932,2x2 bin.
. . .
New observation
9/12/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.4 s,comp.HD209932,2x2 bin.
. . .
New observation
9/12/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+V,exp.6 s,comp.HD209932,2x2 bin.
. . .
New observation
9/12/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.8 s,comp.HD209932,2x2 bin.
. . .
New minimum
9/7/2019
AR Lac
28
Ivan Sergey, Polyani, near Molodechno
Lens Triplet 100/365 + Canon 350D
Lens Triplet 100/365 + Canon 350D
----- EBFit result: -----
Tmin = 2458733.42023
Error (1 sigma): +0.00062/-0.00062 (Bootstrapping), +0.00038/-0.00038 (Prayer bead), +0.00058/-0.00058 (LSM)
Error (95% CI): +0.00135/-0.00119 (Bootstrapping), +0.00098/-0.00067 (Prayer bead)
LSM: chi^2 = 107.2, n_freedom = 84
. . .
New minimum
9/6/2019
AR Lac
28
Ivan Sergey, Polyani, near Molodechno
Lens Triplet 100/365 + Canon 350D
Lens Triplet 100/365 + Canon 350D
----- EBFit result: -----
Tmin = 2458732.40192
Error (1 sigma): +0.00019/-0.00042 (Bootstrapping), +0.00011/-0.00028 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00044/-0.00070 (Bootstrapping), +0.00031/-0.00051 (Prayer bead)
LSM: chi^2 = 878.5, n_freedom = 71
. . .
New observation
9/4/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+I,exp.5 s,comp.HD209993,2x2 bin.
. . .
New observation
9/4/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.4 s,comp.HD209993,2x2 bin.
. . .
New observation
9/4/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+V,exp.6 s,comp.HD209993,2x2 bin.
. . .
New observation
9/4/2019
AR Lac
28
Urbaník M., Kysucká hvezdáreň
SKY-WATCHER REF 80/520 + MII G2-8300
SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.10 s,comp.HD209993,2x2 bin.
. . .
New minimum
8/28/2017
AR Lac
28
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 = 2457991.68191
Error (1 sigma): +0.00020/-0.00016 (Bootstrapping), +0.00013/-0.00014 (Prayer bead), +0.00192/-0.00192 (LSM)
Error (95% CI): +0.00037/-0.00032 (Bootstrapping), +0.00022/-0.00026 (Prayer bead)
LSM: chi^2 = 0.8, n_freedom = 102
. . .
New observation
11/5/2013
AR Lac
28
Liška J., HaP Brno
Celestron CGE 1400 XLT (355/3910), G2-4000
Celestron CGE 1400 XLT (355/3910), G2-4000
predbezne, V
. . .
New observation
10/31/2013
AR Lac
28
Liška J., HaP Brno
Celestron CGE 1400 XLT (355/3910), G2-4000
Celestron CGE 1400 XLT (355/3910), G2-4000
predbezne, V
. . .
New observation
10/30/2013
AR Lac
28
Liška J., HaP Brno
Celestron CGE 1400 XLT (355/3910), G2-4000
Celestron CGE 1400 XLT (355/3910), G2-4000
predbezne
. . .
New observation
12/14/2010
AR Lac
28
Liška J., Brno
Tessar, Atik
Tessar, Atik
predbezne, min 2455544.386 HJD
. . .
New observation
8/23/2009
AR Lac
28
Robert Uhlař, Pohoří Jílové u Phy
RF34/135+Canon350D
RF34/135+Canon350D
čas mereni je o hodinu vice proti skutecnosti?-na DSLR je treba nastavit cas UT?!
. . .
New observation
8/23/2009
AR Lac
28
Robert Uhlař, Pohoří Jílové u Phy
RF34/135+Canon350D
RF34/135+Canon350D
čas mereni je o hodinu vice proti skutecnosti?-na DSLR je treba nastavit cas UT?!
. . .
New observation
8/22/2009
AR Lac
28
Josefína a Petr Klimentovi, Pec pod Sněžkou
Maksutov-Cassegrain 80/500+Canon EOS 300D
Maksutov-Cassegrain 80/500+Canon EOS 300D
Čas je v SELČ, první pokus s DSLR
. . .
New minimum
8/19/2009
AR Lac
28
Vrašťák M, Pec pod Sněžkou
RF75/300 ccd G2 402
. . .
New minimum
8/17/2009
AR Lac
28
Vrašťák M, Pec pod Sněžkou
75/300+ccd G2 402
. . .
New star
6/1/1996
AR Lac
28
admin
RA: 22h 08m 40.82s, DE: +45° 44' 32.10", MAG (max): 6.08 (V)
. . .
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