THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA BITNET: aavso@cfa SPAN: cfa::aavso INTERNET: aavso@cfa.harvard.edu Tel. 617-354-0484 FAX 617-354-0665
AAVSO ALERT NOTICE 154 (February 14, 1992)
POSSIBLE NOVA IN SAGITTARIUS [V4157 Sgr]
November 8, 1982
THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 187 Concord Avenue, Cambridge, MA 02138 USA Tel. 617-354-0484
SPECIAL ALERT NOTICE ON CATACLYSMIC VARIABLES
Dear Observer:
April 29, 1980
SPECIAL ALERT NOTICE - II
