GCN Circular 487
Subject
Lowell/Perkins observation of GRB 991216
Event
Date
1999-12-18T07:24:25Z (27 years ago)
From
John Mattox at Boston U <mattox@bu.edu>
Using the KPNO GRB follow-up team's photometry (GCN #486)
for Henden's star H (GCN #473), and stars A & B of
Jha et al. (GCN #476), the GRB 991216 data obtained so far
with the 1.8m Perkins Telescope at Lowell Observatory
provides the following Rc band measurements.
December (UT) Exposure Seeing R
17.156 200s 3.0" 18.8 +/- 0.1
18.191 600s 1.7" 21.1 +/- 0.2