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CCD observations of 30 April 2003 observer: Berto Monard MLF, Pretoria, South Africa Bronberg observatory / CBA Pretoria location: -25 º 54' 48", 28º 26' 44"E, altitude 1590m instrumentation: LX200 12" f/4.2 with ST-7E, unfiltered conditions: clear patches in between clouds were aimed for, with some success EC04030-5801 030430.70 <165CR MLF EC05287-5857 030430.702 139CR MLF PICTW 030430.704 146CR MLF MUSGU 030430.72 <185CR MLF MUSGQ 030430.73 <180CR MLF VELMR 030430.716 160CR MLF HYAMN 030430.71 <180CR MLF RXJ1002-1925 030430.71 <190CR MLF RXJ1007-2016 030430.708 182CR MLF VELV381 030430.72 <180CR MLF CENV1033 030430.72 <175CR MLF faint CENV1025 030430.734 153CR MLF bright CENV834 030430.741 158CR MLF RXJ1313.2-3259 030430.731 154CR MLF CE-315 030430.737 177CR MLF CENV822 030430.748 175CR MLF CENV895 030430.745 166CR MLF 4U1543-62 030430.753 150CR MLF NORV381 030430.760 185CR MLF fading away fast NORPZ 030430.95 123CR MLF bright * SCOV1033 030430.79 <160CR MLF SCOU 030430.78 <174CR MLF ARAV663 030430.77 <175CR MLF * this was my first observation of PZ Nor, a cv: in the CV atlas, for which the given range is 14.9p - 15.5p. Is it a red star perhaps, shining strongly for the unfiltered CCD or is it an actual outburst of a CV? The 12.3CR value originates from several hours of timeseries where no obvious modulation (except from possible inadequate flatfielding) was visible. This star will be regularly monitored in future until its nature is more clear. I intend to perform a simultaneous visual observation to get a (v-CR) and approximate (V-R) estimate. reported CR magnitudes result from differential photometry to non-red comparison stars with R magnitudes (directly or derived) from published photometric data or traceable to UCAC1 (comparison stars selected from USNO-A2.0 data on the basis of non-red colour and reliability of the data). -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. Mailscanner thanks transtec Computers for their support.
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