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User / Wei-Hao Wang / M31, the Andromeda Galaxy
Wei-Hao Wang / 313 items
1100mm/F7.3 telescope
Pentax 645z (astro-modified)
three-frame mosaic
total exposure time = 53.7 hr (45.7 hr of RGB + 7.9 hr of Hα)
original image is 31320 x 17220 (539 mega pixels)

see www.gigapan.com/embeds/xp5Hj6H2dlw/ for a pan/zoomable high-resolution version.

see astrob.in/369032/0/ for more technical details.
Popularity
  • Views: 115696
  • Comments: 42
  • Favorites: 660
Dates
  • Taken: Sep 3, 2018
  • Uploaded: Sep 28, 2018
  • Updated: Nov 28, 2020