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NGC 523 in Andromeda Distance : 300 mill. l.y. ? SN2001en mag 14.9 Exposure time : 4 X 2.5 minutes 0.61m f/3.6 MX516 CCD ( Moon light put the galaxy on a leaf ) 4.92 Oct 2001 |
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SN2001en mag 14.8 Exposure time : 4 X 1 minutes 0.61m f/4.9 MX916 CCD 18.893 Oct 2001 |
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