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  1. Nearby spiral galaxy NGC 4945 in the constellation Centaurus. ( click on image to see full size ) ( This is an update of my image of NGC 4945 with an additional 22 x 360sec images at ISO400. ) NGC 4945 in the constellation Centaurus is a large spiral galaxy about the size of the Milkyway and around 13 million light years from Earth. It is shown here nearly edge-on and is accompanied in the image by a number of far more distant galaxies; the brightest of which is the 10th magnitude elliptical galaxy NGC 4976 (centre left of the image) which is around 30 million light years away. Links: https://500px.com/MikeODay http://photo.net/photos/MikeODay Details: RA 13h 06.5m, Dec -49 deg 33.5' Skywatcher Quattro 10" f4 Newtonian Skywatcher AZ Eq6 GT Mount Guiding: Orion Shortube 80 guidescope, Starshoot Autoguider, PHD2 Baader MPCC Mark 3 Coma Corrector Hutech IDAS D1 light pollution filter Nikon D5300 (unmodified) Long exposure noise reduction on 10 x 200sec @ ISO400 (19 Mar 2016) 22 x 360sec @ ISO400 ( 1 May 2016) Pixinsight Includes: NGC 4945 ( mag +9.3 ) NGC 4945A ( mag +13.3 ) NGC 4976 ( mag +10.0 ) PGC 45001 ( mag + 14.1 ) PGC 45317 ( mag + 14.2 ) PGC 45373 ( mag + 18.0 ) PGC 479454 ( mag + 15.9 ) PGC 480158 (mag + 16.8 ) Previous version :
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