Steph's album

 
 
 
    M31-1.jpg
 
Great andromeda galaxy (Messier 31) this time @300mm

Technical details:


  • exposure time of each image: 20s
  • lens: Sigma APO DG 300/2.8
  • sensitivity:ISO 1600, aperture: f/2.8, focal length: 300mm
  • number of stacked images: 15
  • weather conditions: average

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iptc_caption Messier 31: 15 images x 20s, 300mm, f/2.8, ISO1600

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