April 2, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471) and AAVSO Special Notice #344 (http://www.aavso.org/aavso-special-notice-344), HST/COS is scheduled to observe the eclipsing SU UMa-type dwarf nova MR UMa:
MR UMa 2013 April 4 04:12:40 through 08:44:27 UT
March 25, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471) and AAVSO Special Notice #342 (http://www.aavso.org/aavso-special-notice-342), HST/COS is scheduled to observe the eclipsing SU UMa-type dwarf nova IY UMa:
IY UMa 2013 March 29 23:43:52 through March 30 02:18:13 UT
March 18, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471), HST/COS is scheduled to observe the SU UMa-type dwarf nova PU CMa:
PU CMa 2013 March 22 00:00:43 through 02:36:08 UT
The HST observations of PU UMa may be cancelled/postponed, as PU CMa is currently in outburst, according to observations reported to the AAVSO:
2013 March 17.02097 UT, 15.24 V +/-0.08, Shawn Dvorak, Clermont, FL;
March 8, 2013: Dr. Boris Gaensicke (Warwick University) has requested observations of the currently-outbursting SU UMa-type cataclysmic variable MR UMa in preparation for and support of HST observations scheduled for the week 2013 April 4-7.
