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Open Cluster M39 in Cygnus

Open Cluster M39 (NGC 7092) is an open cluster in the Cygnus constellation. It was discovered by Charles Messier in 1764. M39 is at a distance of about 800 light years away from Earth. Its age is estimated to be from 200 to 300 million years.
Open Cluster M39

Photo Details

  Telescope: FSQ106EDX (530 mm) Takahashi

  Camera: Sbig ST-8300, Filter wheel, Baader 36mm LRGB filters

  Mount: NJP Takahashi

  Guiding: Off-axis SS Orion autoguider

  Exposure: L 15x300sec, R 2x300sec, G 2x300sec, B 2x300sec

  When: August 2014

  Other information: very good transaparency, good seeing

 
Open Cluster M39

Photo Details

  Telescope: FSQ106EDX (530 mm) Takahashi

  Camera: Sbig ST-2000XM, Filter wheel, Baader 1.25" LRGB filtes

  Mount: NJP Takahashi

  Guiding: Self-guided

  Exposure: L 1x600sek, R 1x600sek, G 1x520sek, B 1x600sek

  When: October 2010

  Other information: foggy, medium to bad seeing condition

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