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Messier 46 + 47 in Puppis

Astrophotography from Ursa Major Observatory @ ROSA

Exposure data
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deeplook.at
deeplook.at
2017-11-19+20
Pentax 125 SDP (f=800mm)
  Skywatcher EQ6-R
30x6 min ISO 800
3h 00min
Camera:
Nikon D810A
Image acquisition by CEDIC team (Markus Blauensteiner, Bernhard Hubl, Christoph Kaltseis) Image processing by Markus Blauensteiner
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Object data M 46 + 47
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Open star clusters
27’ / 30’
6.1mag / 4.4mag
Pup
5 400 Ly / 1 600 Ly
Messier 46 consists of about 150 stars. The Planetary nebula NGC 2438 is an object in the foreground, its distance is about 3 000 Ly. Messier 47 is a much younger open star cluster (80 to 300 Mio years), it consits of about 50 stars.
APF-R was used for image processing