TITLE:   GCN CIRCULAR
NUMBER:  7651
SUBJECT: GRB080430: Optical observation in AsU CAS Ondrejov & Brno
DATE:    08/05/01 04:02:43 GMT
FROM:    Matus Kocka at Monteboo Obs,Masaryk U,Brno  <koci@astronom.sk>

M. Kocka, M. Nekola, J. Strobl, R. Hudec, C. Polasek (AsU CAS - Ondrejov),
M. Jelinek, P. Kubanek (IAA-CSIC - Granada),
R. Novak (N. Copernicus Observatory - Brno)
F. Munz (IASF/INAF - Bologna)

The 0.5m D50 telescope in AsU CAS Ondrejov, Czech Republic observed
GRB080430. Observation started at 20:57:02 UT. After 29 x 20 sec
exposures we detected optical counterpart at the coordinates:

(J2000) 11:01:14.7  +51:41:08.6  (M. Jelinek & al; GCN CIRCULAR 7648)

Calibrated to near USNO et ESO star in R magnitude ~ 18.9mag (21:02:23 
UT mid-time of exposure)  
http://physics.muni.cz/~koci/GRB080430/grb080430.jpg

The 0.4m N. Copernicus Observatory telescope at Brno Czech Republic also 
observed
same coordinates with the same results.
http://ccder.blogspot.com/

Further analysis is in progress

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