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 FAX617-3S4-0665
AAVSO ALERT NOTICE 143 (May 3, 1991)
MAJOR CAMPAIGN ON THE FLARE STAR 101420 AD LEONIS
