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cataclysmic variable

Alert Notice 168: Superoutburst of 0829+53 SW Ursae Majoris AND Superoutburst of 1215-17 - Crv (Tombaugh's nova-dwarf nova) [TV Crv] AND Outburst of 0830+21 CC Cancri

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
BITNET: aavso@cfa8 SPAN: nssdca::cfa8::aavso
INTERNET: aavso@cfa0.harvard.edu
Tel. 617-354-0484    FAX 617-354-0665

AAVSO ALERT NOTICE 168 (February 18,1993)

SUPEROUTBURST OF 0829+53 SW URSAE MAJORIS

The SU UMa type dwarf nova 0829+53 SW UMa is undergoing a superoutburst, as indicated by the following observations:

Alert Notice 167: The symbiotic star 1810-00 FG Serpentis (AS 296) AND Forthcoming outburst of 0749+22 U Geminorum

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
BITNET: aavso@cfa8 SPAN: nssdca::cfa8::aavso
INTERNET: aavso@cfa0.harvard.edu
Tel. 617-354-0484    FAX 617-354-0665

AAVSO ALERT NOTICE 167 (February 1, 1993)

THE SYMBIOTIC STAR 1810-00 FG SERPENTIS (AS 296)

Alert Notice 158: Supernova in NGC 4411B AND Successful launch of NASA's Extreme Ultraviolet Explorer and detection of first light

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 158 (July 2, 1992)

SUPERNOVA IN NGC 4411B

Alert Notice 569: Monitoring 1SWASP J162117.36+441254.2 for HST observations

February 15, 2017: Dr. Elmé Breedt (University of Warwick) has requested AAVSO observers' assistance in monitoring the eclipsing cataclysmic variable 1SWASP J162117.36+441254.2 (=CSS_J162117.4+441254) beginning now in support of observations scheduled with the Hubble Space Telescope for late February - early March.

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