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Name / Constellation

NGC 3198

 Other:  UGC 5572 / MCG 8-19-20 / ZWG 240.30 / Hershel 146

Uma
Coordinates AR: 10h 19m 54.99s - Dec: +45° 32′ 58.88″
Optics Officina Stellare 10" f8 Richtey-Cretien
Camera-Mount SBIG ST10XME/CFW10 - ZWO ASI1600MM guider (ONAG) - 10Micron GM2000 QCI Mount
Filters Astrodon Gen. II - LRGB
Exposure
  • Luminance
  • Red
  • Green
  • Blue
  • 16 x 900 sec - 4 hours
  • 6 x 600 sec - 1 hour
  • 6 x 600 sec - 1 hour
  • 6 x 600 sec - 1 hour
  • UNBINNED
  • BINNING 2x2
  • BINNING 2x2
  • BINNING 2x2
Location / Date Promiod (Valle D'Aosta-Italy) "TLP" Remote Observatory - 5 feb 2019
Seeing 3" @ 0.7 arcosec/pixel unbinned
Note  
Acquisition MaxIm DL - CCD Autopilot 5
Processing Adobe Photoshop 2024 -
Comment

NGC 3198, also known as Herschel 146 is a barred spiral galaxy in the constellation Ursa Major. It was discovered by William Parsons, 3rd Earl of Rosse (Lord Rosse), sometime before 1850. NGC 3198 is located in the Leo Spur, which is part of the Virgo Supercluster, and is approximately 47 million light years away. Two supernovae have been discovered in NGC 3198. SN 1966J, a Type Ib supernova, and 1999bw, which was significantly fainter than expected when first discovered, and has been classified a Type IIn supernova.