Technical details: Location / Date: Outside of Ramnäs, Västmanland, Sweden / 2015-March Optics: Skywatcher Explorer 190MN Mount: 10 Micron GM1000 HPS (Unguided) Camera: Canon EOS 100D (Modded with Baader ACF filter) Exposure: 31 x 300 seconds, all shot at ISO 3200 (cumulative exposure time is 2 hours and 35 minutes) Processing: Pixinsight and Photoshop   Image details: NGC 2903 is a barred spiral galaxy about 30 million light-years away from the Earth in the constellation Leo. It was discovered by William Herschel who cataloged it on November 16, 1784. NGC 2905 is a bright star cloud within this galaxy. NGC 2903 has a very high speed of creating new stars in the central region. (Information from Wikipedia)