Ophiucchus Globular Cluster M12(NGC6218)

 Date and Time    : 1999.8.8 20:03
 Optical Equipment: CELESTRON D9inch/f2,350mm/F10 Shumit Cassegrain 
                    + VIXEN GP equatrial with SKY SENSOR2000PC
                    + L-Reducer(Total f:1,480mm, F:6.3)
 Camera           : Cooled CCD (SBIG ST-7) -0.0deg.C 
 Filters          : SBIG IR coated filters R, G, B
                    SBIG Automatic Filter Wheel CFW-8A
 Exposure Time    : R:45sec.X2, G:60sec.X2,  B:30sec.X2 
 Pinning          : R:1X1, G:1X1, B:1X1
 Graphic Process  : Processed with "CCDOPS", "Stella Image 2" 
                    and "Photo Shop"


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