GRB021020 observations from Nyrölä Observatory

The IPN error box of GRB021020 imaged October 21, 2002 21:00-21:59 UT through Rc filter. Copyright: Nyrölä Observatory, 2002

 
OBSERVATION REPORT
A. Oksanen and M. Aho on behalf of Nyrola observatory GRB Team report:

We have observed most of the the revised IPN error box (GCN 1650) of the 
GRB021020 with the 16-inch Meade LX200 telescope of Nyrola observatory in 
Finland. We took 9x240s  Rc-band images centered on the GRB coordinates 
with SBIG ST7E CCD October 21, 2002 21:00-21:59 UT. The second epoch was 
imaged on October 22, 2002 19:29-20:57 UT (20x240s).

From the combined frames no new or fading targets were found by 
comparison to DSS2 (R) and the second epoch (Oct 22.8 UT) images.
Limiting magnitude on the first epoch about Rc=19.2 and second 
epoch Rc=19.5. The field is very crowded.

Further image calibration and checking the extreme corners of the 
errorbox is in progress.