observing campaign

Alert Notice 241: Request to monitor 2138+43 SS Cygni for observations with HST, EUVE, and RXTE AND Note about Alert Notices and News Flashes

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

 AAVSO ALERT NOTICE 241 (October 10, 1997)

REQUEST TO MONITOR 2138+43 SS CYGNI FOR OBSERVATIONS WITH HST, EUVE, AND RXTE

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 272: 1301-27 Supernova 2000P in NGC 4965 in Hydra AND 1247-28 EX Hydrae - multiwavelength observing campaign scheduled

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 272 (March 13, 2000)

1301-27 SUPERNOVA 2000P IN NGC 4965 IN HYDRA

Alert Notice 137: Last list for monitoring of ROSAT targets

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
    25 Birch Street, Cambridge, MA 02138 USA
    BITNET: aavso@cfa8 SPAN: nssdca::cfa8::aavso
     Tel. 617-354-0484 FAX 617-354-0665

    AAVSO ALERT NOTICE 137 (January 14,1991) 

LAST LIST FOR MONITORING OF ROSAT TARGETS