AAVSO Alert Notice

Alert Notice 260: 0014-06 Supernova 1999cw in MCG -01-02-001 (PGC 1288)

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 260 (June 30, 1999)

0014-06 SUPERNOVA 1999cw IN MCG -01-02-001  (PGC 1288)

Alert Notice 257: Request to monitor 2138+43 SS Cygni for multiwavelength observations

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 257 (April 28, 1999)

REQUEST TO MONITOR 2138+43 SS CYGNI FOR MULTIWAVELENGTH OBSERVATIONS

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

Alert Notice 276: 1903-57 Supernova 2000cj in NGC 6753 in Pavo AND 1846-01D Probable nova in Aquila = 1846-01 CI Aquilae

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 276 (May 18, 2000)

1903-57  SUPERNOVA 2000cj IN NGC 6753 IN PAVO