GCN Circular 28318
Subject
GRB 200829A: THO optical observatios
Date
2020-08-30T06:36:53Z (4 years ago)
From
Veli-Pekka Hentunen at Taurus Hill Obs,A95 <veli-pekka.hentunen@kassiopeia.net>
Veli-Pekka Hentunen and Markku Nissinen (Taurus Hill
Observatory, Varkaus, Finland) report:
We have detected GRB 200829A optical afterglow at Taurus
Hill Observatory (A95) using C-14SC 0.35-m f/7.3 telescope,
SBIG STT-8300M CCD and RGB filters. The observations were
started at 2020-08-29 18:48:29 (UT).
The afterglow was detected at the position RA 16 44 49.16
and DEC +72 19 45.9.
The following magnitudes were obtained from the observations
using NOMAD1 1623-0124683 (R=17.05, V=17.32, B=17.55)
as a comparison star:
Tmid(h:min:sec)+T0 Filter Exp.time(sec) Mag MagErr
4:53:37 R 3x180 17.98 0.28
5:02:49 R 3x180 18.11 0.34
5:12:36 R 3x180 18.22 0.27
5:25:05 R 5x180 18.26 0.17
6:00:06 R 5x180 18.27 0.14
6:25:44 B 3x180 18.66 0.21
6:35:32 G 3x180 18.69 0.26
URL link for the RGB image:
www.kassiopeia.net/wp-content/uploads/2020/08/GRB200829A_RGB_web.png