OBSERVING PERIODS- 2041
      (UT dates. Lick PST=UT-8h   Keck HST=UT-10h)
      --------------------------------------------
            DURATION       RUN           MOON
           FQ+1 to LQ      bright     PHASE  DATE
           LQ+1 to FQ      dark              (UT)
     ---------------------------------------------
     2040 Dec 27-Jan 09    DARK      NEW    Jan 02
     2041 Jan 10-Jan 25    BRIGHT    FULL   Jan 17
     2041 Jan 26-Feb 07    DARK      NEW    Feb 01
     2041 Feb 08-Feb 24    BRIGHT    FULL   Feb 16
     2041 Feb 25-Mar 09    DARK      NEW    Mar 02
     2041 Mar 10-Mar 25    BRIGHT    FULL   Mar 17
     2041 Mar 26-Apr 08    DARK      NEW    Apr 01
     2041 Apr 09-Apr 23    BRIGHT    FULL   Apr 16
     2041 Apr 24-May 08    DARK      NEW    Apr 30
     2041 May 09-May 22    BRIGHT    FULL   May 16
     2041 May 23-Jun 06    DARK      NEW    May 29
     2041 Jun 07-Jun 21    BRIGHT    FULL   Jun 14
     2041 Jun 22-Jul 06    DARK      NEW    Jun 28
     2041 Jul 07-Jul 20    BRIGHT    FULL   Jul 13
     2041 Jul 21-Aug 05    DARK      NEW    Jul 28
     2041 Aug 06-Aug 18    BRIGHT    FULL   Aug 12
     2041 Aug 19-Sep 03    DARK      NEW    Aug 26
     2041 Sep 04-Sep 17    BRIGHT    FULL   Sep 10
     2041 Sep 18-Oct 03    DARK      NEW    Sep 25
     2041 Oct 04-Oct 16    BRIGHT    FULL   Oct 09
     2041 Oct 17-Nov 01    DARK      NEW    Oct 25
     2041 Nov 02-Nov 15    BRIGHT    FULL   Nov 08
     2041 Nov 16-Nov 30    DARK      NEW    Nov 23
     2041 Dec 01-Dec 15    BRIGHT    FULL   Dec 07
     2041 Dec 16-Dec 30    DARK      NEW    Dec 23
     2041 Dec 31-Jan 14    BRIGHT    FULL   Jan 06
     ---------------------------------------------