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 142 (April 19, 1991)
NOVA OPHIUCHI 1991
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 141 (April 17, 1991)
SUPERNOVA 1991T IN NGC 4527
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 140 (April 5, 1991)
NOVA CENTAURI 1991
AAVSO member William Liller of Vina del Mar, Chile, has used the Problicom
photographic method to discover a nova in Centaurus at the following
position (1950.0):
