TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  2246
SUBJECT: GRB 030329: optical photometry at Belesta observatory (France)
DATE:    03/05/26 11:46:00 GMT
FROM:    Michel Boer at CESR-CNRS  <Michel.Boer@cesr.fr>

A. Klotz, M. Boer (CESR France) and P. Martinez (ADAGIO observatory)
report magnitudes obtained by a team of the ADAGIO observatory at Belesta,
France (IAU station A05) using a 82 cm telescope and a Sbig ST8 Kaf1602E
CCD camera with a red filter.
All images are photometrically calibrated by Alain Klotz using the reference
stars given by A. Henden (GCNC 2023).

Red filtered measurements :
DATE                Observ.  Diam(mm) filter expo(s) Rmag +/-    observatory day-GRB
2003-04-23T22:28:00 OM&YM&PM     820  R     1440   20.11  0.07   Belesta 25.4475
2003-04-26T21:50:00 PMB&OM&PM    820  R      600   20.35  0.29   Belesta 28.4245
2003-04-30T21:15:00 YM&PM        820  R     1560   20.30  0.17   Belesta 32.4002
2003-05-03T21:24:00 PMB&OM&PM    820  R     2460   20.87  0.12   Belesta 35.4065

Observers :
OM&YM&PM  = Olivier Maury, Yves Megret, Patrick Martinez
PMB&OM&PM = Pierre-Michel Berg=E9, Olivier Maury, Patrick Martinez
YM&PM     = Yves Megret, Patrick Martinez

Complementary data (images) :
http://www.cesr.fr/~klotz/grb030329/results.html

This report may be cited.