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      M61
      Wallpaper author:
      Dan Crowson

      30 Jun 2023

      M61

      M61 (NGC 4303, UGC 7420 and many others) is a seyfert 2 galaxy (https://en.wikipedia.org/wiki/Seyfert_galaxy#Type_II_Seyfert_galaxies) located approximately 54 million light-years away in Virgo.

      NGC 4301 (NGC 4303A, UGC 7439 and others) is the somewhat odd spiral at the top left.

      NGC 4292 (UGC 7404 and others) is spiral at the top right. This one reminds me of M77 or M94 – both galaxies with a bright core and a faint ring of outer arms.

      Luminance – 8x600s – 80 minutes – binned 1x1

      RGB – 8x600s – 80 minutes each – binned 1x1

      320 minutes total exposure – 5 hours 20 minutes

      Imaged March 17th and April 13th, 2021 and March 1st and April 6th, 2022 at the El Sauce Observatory (Rio Hurtado, Chile) with a FLI PL 9000 on a PlaneWave CDK24 at f/6.5 3974 mm.

      This data is from Telescope Live (https://telescope.live/) “One-click Observations.”

      LRGB - https://www.flickr.com/photos/dcrowson/53013716250/sizes/l/


      Dataset from which the image was processed

      M61

      4 credit

      Open
      Telescope Live
      CHI-1-CCD
      • Type of target
        ............................................................................................................................
        Galaxy
      • Camera
        ............................................................................................................................
        FLI ProLine PL9000
      • Target coordinates
        ............................................................................................................................
        RA 185.4789 Dec 4.4738
      • Hemisphere
        ............................................................................................................................
        Southern
      • Telescope location
        ............................................................................................................................
        Chile
      • Transient event
        ............................................................................................................................
        No
      • Observed on
        ............................................................................................................................
        07 May 2020 - 07 Apr 2022
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Luminance10502h20m8
      Halpha304m8
      Red6001h20m8
      Green6001h20m8
      Blue6861h20m7

      M61