Special Notice #348: QZ Lib observations critical now for HST/COS and SDSS J154453.60+255348.8 next target
April 22, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471), HST/COS is scheduled to observe the eclipsing WZ Sge-type cataclysmic variable QZ Lib:
QZ Lib 2013 Apr 26 14:37:44 through 21:23:30 UT