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OBSERVERS LOGList of observed minimas
This list is NOT A PUBLICATION of observed minimas. It only shows activity of cooperating observers of eclipsing binaries.
B.R.N.O. times of minima are periodicaly published in Open Europen Journal on Variable stars and then data are displayed in O-C gateway.
Administrators of BRNO project:
Mgr. Kateřina Hoňková, Ing. Jakub Juryšek nadseni.promenari@astronomie.cz
NEW Instruction for inserting minima to BRNO database
For non-Czech observers, written in English. Please, keep in mind this instruction.
Instruction for BRNO protocols
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:
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Comment
object CU CVn
According to BVRI photometry performed by K. Hoňková and J. Juryšek, the light curve has amplitude 0,05 mag in I band and almost twice larger amplitude in B band. Together with slightly asymetric shape of light curve, it proves that CU CVn is not an eclipsing binary, but the pulsating one (probably delta Scuti).
The light curve looks much more like RR Lyr than EW. There is clearly visible asymetry and maximas are too sharp for EW star.
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