June 12, 2013: Among the research options in the HST/COS CV campaign underway are observing two VY Scl stars in the low state, the only time the white dwarf is observable. OR And is now in its low state, at 18th V magnitude as of 2013 June 11 UT.
February 12, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471) and AAVSO Special Notice #330 (http://www.aavso.org/aavso-special-notice-330), HST/COS is scheduled to observe BB Dor on:
BB Dor 2013 February 13 20:57:03 through 23:53:50 UT
February 2, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471), the next HST/COS target is the SU UMa-type dwarf nova IR Com. HST/COS observations are scheduled for:
IR Com 2013 February 8 00:38:46 through 05:57:49 UT
August 25, 2012: Dr. Nikolaus Vogt (Universidad de Valparaiso, Chile) has requested photometry and spectroscopy of the novalike (VY Scl subtype) cataclysmic variable TT Ari in support of upcoming observations with the Canadian Microvariability and Oscillations of Stars (MOST) satellite.
THIS CAMPAIGN HAS BEEN CANCELLED. SEE AAVSO ALERT NOTICE 468 FOR DETAILS. August 21, 2012
