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Collinder 399 wide field

Astrophotography from Ursa Major Observatory @ ROSA

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deeplook.at
asterism
~1°
3.6 mag
Vul
2017-07-23
Canon EF70-200 mm f/4 @ 70mm
iOptron Sky Tracker
87x1 min ISO 1600
1h 27min
Camera:
Canon EOS 500D
Image acquisition by CEDIC team (Markus Blauensteiner, Bernhard Hubl, Christoph Kaltseis, Michael Hanl) Image processing by Markus Blauensteiner
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300 Ly
Collinder 399 is also called “Coathanger cluster”. Under a dark sky, Collinder 399 can be seen with the naked eye as an unresolved patch of light.