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Astrophotography from Ursa Major Observatory @ ROSA

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deeplook.at
deeplook.at
“Alkor” Lacerta N25010c Newtonian, f/D = 4 SX Trius 694, Baader LRGB filter
10micron GM2000 HPS II
Ha 87x10 min / Luminance 34x10 min / RGB 20x10 min each filter
30 h 10 min
data acquired remotely using CCD Commander
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Barnard 145 in Cygnus
2019-07-05+20+21+22+24+25+30 + 08-01+03
Dark nebula
40’
Opacity = 4
Cygnus
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The red emssion nebula is LBN 189 / 190.