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Astrophotography from Ursa Major Observatory @ ROSA

Object data M 16
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deeplook.at
Vixen FL55SS with flattener + reducer, f = 237 mm QHY 163 c, gain 25, offset 50
iOptron iEQ35 pro
42x5 min each mosaic part
21 h
data acquired remotely using Voyager by Leonardo Orazi
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M 16 / M 17 2x3 mosaic in Serpens / Sagittarius
Open cluster + emission nebula
Ser
2021-05-31 + 06-03+06+07+08+10+11+13+14+15+16+27+28+30 (14 nights)
7 000 ly
The Eagle Nebula (Messier 16) is a conspicuous region of active star formation, situated in Serpens Cauda. The starforming nebula, a giant cloud of interstellar gas and dust, has already created a considerable cluster of young stars. The cluster is also referred to as NGC 6611, the nebula as IC 4703.
+ 6.0 mag
35’
Object data M 17
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Emission nebula
Sgr
5 000 ly
Messier 17 (also known as The Omega Nebula or the The Swan Nebula) is an emission nebula in constellation Sagittarius. Its distance is estimated to 5,000 light-years and it spans some 15 light-years in diameter. The cloud of interstellar matter of which this nebula is a part is roughly 40 light-years in diameter and has a mass of 30,000 solar masses. The total mass of the Omega Nebula is an estimated 800 solar masses. Therefore, Messier 17 is considered one of the brightest and most massive star-forming regions of our galaxy
+ 6.0 mag
11’