The Tulip nebula in Cygnus

  • Telescope: Canon EF 135mm f/2L USM telephoto lens (f/2.8 stopped)
  • Camera: Baader modified Canon 400D, 800 iso, RAW mode
  • Mount: Astrotrac with polar scope
  • Integration: 30 x 120 sec, (21 bias, 21 dark, 21 flat)
  • Date, Location, Temp/Software: August 2012, Grosseto (Italy), 21°C/MaxIm-DL, PixInsight, PhotoShop
  • Click HERE for solved map
  • Click the image for 1920×1080 resolution

The Tulip nebula (SH2-101).  This photo was taken on august 2012 by using a filter modified Canon Eos 400D with EF 135 mm lens at f/2.8 on Astrotrac. The photo is the sum of 30 frames, each of 2 minutes. Sharpless 101 (Sh2-101) is a H II region emission nebula located in the constellation Cygnus. It is sometimes also called the Tulip Nebula because it appears to resemble the outline of a tulip when imaged photographically. It was catalogued by astronomer Stewart Sharpless in his 1959 catalog of nebulae. It lies at a distance of about 6,000 light-years (5.7×1016 km; 3.5×1016 mi) from Earth. Sh2-101, at least in the field seen from earth, is in close proximity to microquasar Cygnus X-1, site of one of the first suspected black holes. Cygnus X-1 is the bright star near the bottom right corner of the image presented here.

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