Hemisphere:  Southern  ·  Constellation: Hydra (Hya)  ·  Contains:  NGC 2992  ·  NGC 2993

Image of the day 03/01/2021

Getting plate-solving status, please wait...
    Arp 245, 



    
        

            Warren A. Keller
    Arp 245
    Powered byPixInsight

    Image of the day 03/01/2021

    Getting plate-solving status, please wait...
      Arp 245, 



    
        

            Warren A. Keller
      Arp 245
      Powered byPixInsight

      Technical card

      Imaging telescopes or lenses: Officina Stellare RiDK 700 FL

      Imaging cameras: FLI ProLine 16803 CCD camera


      Integration: 0


      Basic astrometry details

      Astrometry.net job: 4220083

      RA center: 9h 45' 43"

      DEC center: -14° 19' 37"

      Pixel scale: 0.379 arcsec/pixel

      Orientation: 1.272 degrees

      Field radius: 0.294 degrees


      Resolution: 3902x4001

      Locations: Obstech, Río Hurtado, Coquimbo, Chile

      Data source: Amateur hosting facility

      Remote source: Observatorio El Sauce

      Description

      NGC 2992 and 2993 in Hydra are collectively known as No. 245 in astronomer Halton Arp's Atlas of Peculiar Galaxies. An interacting pair of galaxies, NGC 2992, above and right,

      is a Seyfert, Sa-type galaxy. Equally beautiful NGC 2993 at lower left is clearly tidally bound to its companion. The pair was discovered in 1785 by William Herschel, and are about 104,000,000 light-years away from Earth. Many thanks go out to my collaborator and friend, Mike Selby, who acquired and calibrated this fine data in 2021.

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      Arp 245, 



    
        

            Warren A. Keller