Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

NGC 6960 Noidanluutasumu - 4.10.2022 at 22.05 Oulu Observation number 109779

Visibility III / V

Jaakko Asikainen, Oulun Arktos

It was nice to describe a long time ago, when the previous season went with bad weather and technical difficulties. The lens tube was repaired in Taiwan, now it seemed to produce better stars.

So for three hours, I photographed the Witch's Broom Nebula part of the Joutsenen Harso nebula, which is an ancient remnant of the expanding blast wave of a supernova.

More information: https://www.astrobin.com/221gcy/



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Additional information
  • Observation target
    • Deep space object
  • Designation
    • NGC 6960 Noidanluutasumu
  • Constellation
    • Cygnus
  • Field of view
  • 108 arc minutes
  • Darkness
    • Mediocre
  • Seeing
    • Average
  • Nebulae
    • Supernova remnant info

      Supernova remnant is the remnant of the big star died in supernova explosion. The supernova remnants are quite irregularly shaped. Rather many of them ring-like strusture.

      The moderate big instruments and possibly special filters are needed to see supernova remnants.

       

      The Crab Nebula was born in a star explosion in  1054. This is the easiest supernova remnant in the sky to observe. Image Tero Hirvikoski.

       

      The supernova remnant Simesis 147 is in Taurs and Auriga. Image J-P Metsävainio.

       

      The Veil Nebula in Cygnus is wide-area supernova remnant in the sky. There is a detailed image of the boxed area. Image J-P Metsävainio.

       

      This detail of Veil Nebula is known as Pickering's Triangle. Image J-P metsävainio.

       

      A strip of Veil Nebula. Image Rauno Päivinen.

Technical information

William Optics Star 71-II f/4.9 APO, QHY9m, EQ6 Pro. Baader's 2" LRGB filters and ZWO Ha 2" filter. 25x5min LRGB + 7x5min Ha

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