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Ursa Major obs. @ ROSA (remote observatory southern alps)
“Alkor” Lacerta N25010c Newtonian, f/D = 4 SX Trius 694, Baader LRGB filter
10micron GM2000 HPS II
Luminance 43 x 10 min / RGB 32 x 5 min each filter
15 h
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data acquired remotely using Voyager by Leonardo Orazi
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wide field image (f=430 mm)
LDN 704 in Aquila
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2021-07-01+02+04+05+07+08+09
Dark nebula
19’
Opacity = 6
Aql
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