Orion Diffuse Nebula M42(NGC1976) [Around Trapezium] Date and Time : 1999.10.23 05:04 Optical Equipment: CELESTRON D9inch/f2,350mm/F10 Shumit Cassegrain + VIXEN GP equatrial with SKY SENSOR2000PC Camera : Cooled CCD (SBIG ST-7) -5.23deg.C Filters : SBIG IR coated filters R, G, B SBIG Automatic Filter Wheel CFW-8A Exposure Time : R:20sec.X5, G:20sec.X5, B:20sec.X5 (All are Automatic Add Composit) Pinning : R:1X1, G:1X1, B:1X1 Graphic Process : Processed with "CCD Master", "Stella Image 2" and "Photo Shop" Back to Observation Record of MAFNET Observatory Back to Album of MAFNET Observatory "Mesier Objects"