SS Cyg

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 241: Request to monitor 2138+43 SS Cygni for observations with HST, EUVE, and RXTE AND Note about Alert Notices and News Flashes

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET:  aavso@aavso.org
WORLD WIDE WEB:  http://www.aavso.org
Tel. 617-354-0484       FAX 617-354-0665

 AAVSO ALERT NOTICE 241 (October 10, 1997)

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

Alert Notice 257: Request to monitor 2138+43 SS Cygni for multiwavelength observations

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 257 (April 28, 1999)

REQUEST TO MONITOR 2138+43 SS CYGNI FOR MULTIWAVELENGTH OBSERVATIONS

Alert Notice 273: 1828-14 Nova Scuti 2000 AND 2138+43 SS Cygni being observed with RXTE for three months

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 273 (March 20, 2000)

1828-14 NOVA SCUTI 2000