M63 - Sunflower galaxy in Canes Venatici



CCD Camera ST8E
Optics APM Mak Newt f/6, 152mm aperture, 912 ml focal length length
Location St Paul, MN. Naked eye magnitude limit: less than 3.0. Seeing was fair-poor.
Date 3/31/2003
Exposure 100 minutes. 20 exposures; 5 min each; dark subtracted and flat-fielded. The setup produced substantial vignetting. Flat-fielding only partially solved this problem as there was substantial light pollution.
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