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cataclysmic variable

Alert Notice 222: Extreme fading of 1921+50 CH Cygni AND Reminder - Request to monitor 2138+43 SS Cygni for Observations with HST, EUVE, and RXTE

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 222 (June 25, 1996)

EXTREME FADING OF 1921+50 CH CYGNI

The brightest Z And-type symbiotic star known, CH Cyg, is undergoing a
significant fading as indicated by the following observations:

Alert Notice 225: 0241-08 Supernova 1996an in NGC 1084 AND 0207-63 WX Hydri to be observed with Hubble Space Telescope

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 225 (July 31,1996)

0241-08 SUPERNOVA 1996an IN NGC 1084

Alert Notice 228: Request to monitor 1804+67 HS 1804+6753 for observations with Hubble Space Telescope

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 228 (September 6, 1996)

REQUEST TO MONITOR 1804+67 HS 1804+6753 FOR OBSERVATIONS WITH HUBBLE SPACE
TELESCOPE

Alert Notice 229: Request and reminder to monitor 2138+43 SS Cygni for observations with HST and with EUVE, RXTE, and SAX AND Reminder - 0207-63 WX Hydri to be observed with Hubble Space Telescope

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 229 (September 18, 1996)

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

Alert Notice 231: Rare bright outburst of 1137+72 DO Draconis (= YY Draconis)

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 231 (October 17, 1996)

RARE BRIGHT OUTBURST OF 1137+72 DO DRACONIS (= YY Draconis)

Alert Notice 232: Extreme faintness and unusual behavior of 0058+40 RX Andromedae

/vspTHE 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 232 (November 18, 1996)

EXTREME FAINTNESS AND UNUSUAL BEHAVIOR OF 0058+40 RX ANDROMEDAE

Alert Notice 235: Rare outburst of 1950+32A EY Cygni AND Outburst of 0058+40 RX Andromedae AND Short outburst of 0846+58 BZ Ursae Majoris

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 235 (January 13, 1997)

RARE OUTBURST OF 1950+32A EY CYGNI

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