May 8, 2013: In AAVSO Special Notice #351 (http://www.aavso.org/aavso-special-notice-351), one of the upcoming HST/COS targets was referred to as ASAS1600-48. The name of this system as found in VSX is ASAS J160048-4846.2. Please use this name when reporting observations to the AAVSO International Database. Many thanks.
ASAS J160048-4846.2, scheduled to be be observed 2013 Jul 8 UT, is a WZ Sge-type variable and is 17.9V at min and 12.6V at max.
May 8, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471)and AAVSO Special Notice #350 (http://www.aavso.org/aavso-special-notice-350), HST/COS is scheduled to observe the eclipsing WZ Sge-type cataclysmic variable 1RXS J105010.3-140431:
1RXS J105010.3-140431 2013 May 10 07:51:01 through 12:01:57 UT