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What to observe ?
Eclipsing binaries minima
Exoplanetary transits
Projects and campaigns
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)
Star catalog
All objects
Eclipsing binaries
Intrinsic variables
CzeV catalog
SvkV catalog
Exoplanet catalog (ETD)
OEJV
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Recent
List
New transit
8/20/2026
TOI-3939 .01
3
Andrej Mudray, Holovousy, 8/14/2026
SCT 406/4060 + ASI2600MM + 0,63x reducer
. . .
New transit
12/31/2025
TOI-3939 .01
3
Niels Hempel, Westhavelland BP5, 12/27/2025
Red-Dwarf II (10" f/4); CMOS: ASI2600MM; Filter: Baader 495 Longpass (V to IR)
Red-Dwarf II (10" f/4); CMOS: ASI2600MM; Filter: Baader 495 Longpass (V to IR)
Exposure time of 240 s is achieved by combining two exposures of 120 s each
. . .
New transit
12/11/2025
TOI-3939 .01
3
Manfred Raetz, Privatsternwarte Herges-Hallenberg, 2/18/2025
SCT 280 / 1870 (C11 with Starizona reducer) CCD: MII G2-1600 filter : Astrodon ExoPlanet-BB (V to IR)
SCT 280 / 1870 (C11 with Starizona reducer) CCD: MII G2-1600 filter : Astrodon ExoPlanet-BB (V to IR)
detrended with AstroImageJ 5.5.1.00
. . .
New exoplanet
12/11/2025
TOI-3939 .01
3
Manfred Raetz
RA: 23h 46m 49.98s, DE: +66° 51' 38.98"
. . .
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