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I took this image on a night of really awful seeing. 30 minutes of total
exposure with an STL-1301E CCD thru a 20-in F/8.1 RC Cass. The field of view is 13x16 arc minutes with North at the top. For more on M-61, see: http://www.kopernik.org/images/archive/m61.htm George N |
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