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Mayer 1 / Sh2-173 in Cassiopeia

Astrophotography from Ursa Major Observatory @ ROSA

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open cluster, emission nebula
7’
?
Cassiopeia
~ 4660 light years
2014-09-16 + 17
Gahberg observatory, GeMini West, Upper Austria
- Luminance: Lacerta 10” f/4 Newtonian + Sbig ST2000XM - RGB: 5” f/5 Newtionian + SXV-H9 + Baader RGB - RGB and Luminance capured simultaeosly -
ASA DDM 60pro
Luminance 40x10 min, RGB 15x10 min each
12.5 h
Mayer 1 is embedded in the emission nebula Sh2 -173;
dusty sky
Trumpler classification: IV 2 p n
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