Specifications

AUTOSTAR CCD PHOTOMETRY 57
Figure C-2. M67 CCD Image Taken at HPO.
Table C-1 shows sample raw ADU Total Flux counts for the
standard stars in M67. These data were taken with 15-second
exposures in each filter (sky counts have been subtracted by the
software).
Table C-1. Sample Raw ADU Total Flux Data from M67.
Filter
Star ID B V R I
M67-081 418581.7 672151.8 550120.0 183962.9
M67-108 162246.7 816575.1 1321557.5 839716.2
M67-117 16926.3 816575.1 66663.2 33397.6
M67-124 32157.9 80115.8 83593.1 35806.7
M67-127 7160.0 43625.1 50523.8 22592.5
M67-130 16492.3 42037.1 44009.5 18563.3
M67-134 27774.8 73617.1 84096.3 39921.9
M67-135 38165.5 154767.1 212966.4 117236.9
Figure C-3 shows the star locations used in M67. Use the
identified stars along with Table C-2 for their standard magnitudes.