Ursa Major M101(NGC5457) Date and Time : 1999.2.14 04:10 Optical Equipment: D8inch/f1,800mm/F9 Cassegrain/VISAC equatrial. with SKY SENSOR2000PC. Direct Focus. Camera : Cooled CCD (Mutoh CV-04/2LH) -28.5deg.C Filters : Koh-ei's multicoated filters UV, R:R60t2, G:G533t2, B:B440t2, and IR-Interference. Exposure Time : L:150sec. R:150sec. G:150sec. B:150sec. Pinning : L:3X3, R:3X3, G:3X3, B:3X3 Graphic Process : Composit of 4 colors and others with "Stella Image2" Back to Observation Record of MAFNET Observatory Back to Album of MAFNET Observatory "Mesier Objects"