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Messier 45 wide field in Taurus

Astrophotography from Ursa Major Observatory @ ROSA

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deeplook.at
deeplook.at
Open star cluster (I3r) with reflection nebula
Tau
2017-11-15
ATHOS Centro Astronómico / La Palma (900m)
Canon EF 200mm f/2.8L @ f/3.5 + mechanical stopper
Astrotrac TT320X
60x2min
2h 00min
Camera:
EOS 6D (ISO 1600)
Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner) Image processing by Bernhard Hubl
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110’
1.6 mag
440  Ly
The Pleiades nebulae are blue-colored, which indicates that they are reflection nebulae, reflecting the light of the bright stars situated near (or within) them. Physically, the reflection nebula is probably part of the dust in a molecular cloud, unrelated to the Pleiades cluster, which happens to cross the cluster's way. It is not a remainder of the nebula from which the cluster once formed.