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NGC 281 in Cassiopeia (Traveler EOS-Ra).jpg
NGC 281, aka the Pacman Nebula, in Cassiopeia, near the stars Achird (top) and Shedar (right).
This is a stack of 8 x 6-minute exposures at ISO 1600 with the Canon EOS Ra camera and Astro-Physics Traveler apo refractor at f/6 with the Hotech field flattener. No LENR used here as the temperature was -15° C. A smudge on the field flattener lens added the spike on Achrid at top. High haze added the star glows naturally.
This is a stack of 8 x 6-minute exposures at ISO 1600 with the Canon EOS Ra camera and Astro-Physics Traveler apo refractor at f/6 with the Hotech field flattener. No LENR used here as the temperature was -15° C. A smudge on the field flattener lens added the spike on Achrid at top. High haze added the star glows naturally.
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- © 2019 Alan Dyer
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- Nebulas, NGC/IC Objects