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      M101  The Pinwheel Galaxy
      Wallpaper author:
      Cameron Caldwell

      16 Jun 2021

      M101 The Pinwheel Galaxy

      The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy 21 million light-years (6.4 megaparsecs) away from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries. On February 28, 2006, NASA and the European Space Agency released a very detailed image of the Pinwheel Galaxy, which was the largest and most-detailed image of a galaxy by Hubble Space Telescope at the time. The image was composed of 51 individual exposures, plus some extra ground-based photos. On August 24, 2011, a Type Ia supernova, SN 2011fe, was discovered in M101.

      Data from Telescope.Live One Click Observation, processed by Cameron Caldwell.

      My Page: https://www.facebook.com/starvoyagerphotography

      Telescope: SPA-2 Officina Stellare 700 RC f8

      Camera: FLI PL16803

      Mount: Officina Stellare equatorial fork mount with absolute encoders and direct drives

      Observatory name: IC Astronomy

      Location: Oria, Almería, Spain

      Coordinates: 37.4988 N,-2.42178 W

      Elevation: 1250 m

      Total exposure time: 1hr 30m.

      Processed in DeepSkyStacker, Adobe Photoshop with Astronomy Tools Plugin, Adobe Lightroom.

      Full quality on AstroBin: https://www.astrobin.com/4zrehs/

      Dataset from which the image was processed

      M101

      13 credit

      Open
      Telescope Live
      SPA-2-CCD
      • Type of target
        ............................................................................................................................
        Galaxy
      • Camera
        ............................................................................................................................
        FLI PL16803
      • Target coordinates
        ............................................................................................................................
        RA 210.8024 Dec 54.3488
      • Hemisphere
        ............................................................................................................................
        Northern
      • Telescope location
        ............................................................................................................................
        Spain
      • Transient event
        ............................................................................................................................
        No
      • Observed on
        ............................................................................................................................
        27 Dec 2019 - 11 Feb 2022
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Luminance2113h42m63
      Blue1502h38m63
      Green1432h30m63
      Red1532h38m62
      Halpha2930m62

      M101 The Pinwheel Galaxy