GRBM

Alert Notice 253: Special and unique optical monitoring request - 1522+45 GRB 990123 - gamma-ray burster event with bright optical counterpart

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET:  aavso@aavso.org
Tel. 617-354-0484          FAX 617-354-0665

AAVSO ALERT NOTICE 253 (January 28, 1999)

SPECIAL and UNIQUE OPTICAL MONITORING REQUEST:  1522+45  GRB 990123 -
GAMMA-RAY BURSTER EVENT WITH BRIGHT OPTICAL COUNTERPART