Minima predictions for any observing site (type coordinates)

Only objects with altitude higher then 20° in time of minimu are showed.

Observers from central Europe (15°E, 50°N) can use this minima predictions.

Neglection rating:
1 = many observations in last 10 years, 10 = no CCD minimum in last 10 years. More information about rating.
RECOMMENDATION FOR OBSERVERS OBJECTS WITH RATING 5 AND MORE SHOULD BE OBSERVED

Astrophysical interestingness:
There are many systems, which exhibits period changes in O-C diagrams. We have highlighted them among others using small color signs (see the list bellow). Explanations of used colors is given in the picture and appears when your mous move over the sign as well.
The astrophysical interestingness has prepared L. Smelcer, 2009 according to O-C gateway. Updated by P. Zasche (2011).

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New minima in B.R.N.O.:

ASASSN-V J140728.86+340749.4 UMi (Tylšar M.)

V0511 Cam (Walter F.)

V629 And (Sjoerd Dufoer)

V0511 Cam (Walter F.)

V0608 Cam (Walter F.)

WISE J224741.3+691804 Cep (Tylšar M.)

WISE J223517.5+684233 Cep (Tylšar M.)

FI Boo (Uhlar M.)

New transits in TRESCA:

TOI-4087 b (M. Tylšar)

WASP-148 b (S. Lopez)

TOI-1194 b (e. bertrand)

TOI-1516 b (M. Tylšar)

Qatar-1 b (A. Kovacs)

KELT-23 A b (R. Casas)

Qatar-2 b (G. Montardit)

Qatar-2 b (G. Nieto)

KELT-23 A b (e. bertrand)

New data MEDUZA:

CCD:
P. Dubovský: NOVACas2021 Cas, Z And, V 1413 Aql, NSV16874 Aur, UV Aur,
: NOVACas2021 Cas,
P. Dubovský: NOVACas2021 Cas, OJ287 Cnc, T CrB, TX CVn,

VIZ:
P. Dubovský: BB Aur, NSV 16874 Aur, SS Aur, CR Boo, TT Boo, UZ Boo, Z Cam, AK Cnc, AT Cnc, EG Cnc, GY Cnc, OJ287 Cnc, SY Cnc, YZ Cnc, AL Com, T CrB, VW CrB, AB Dra, CP Dra, DM Dra,

Currently operating observers:
Observers on-line chat

Magpie observatory (FTP)
(Martin Bartošík)

STATUS: Active20:00 - 06:00

PROGRAM: V 709 Cas, main program - CV and transits of exoplanets

Observatorio Astronómico Giordano Bruno
(Fco- Manuel Santos Álamo)

STATUS: Active20:38 - 04:38

PROGRAM: De 20:00 a 02:30

Osservatorio Astronomico Citta di Seveso
(Pietro Aceti)

STATUS: Active12:30 - 10:45

PROGRAM:

Palidoro
(Giuseppe Conzo)

STATUS: Active10:47 - 18:47

PROGRAM: