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Nebula
Messier 42, Orion Nebula


M42 Orion Nebula 2013
Object : M42 Orion Nebula
Date : 2013-11-28
Time (UT) : 20:00
Lens/telescope : Pentax 500mm f4.5
Corrector/Barlow : none
Filter : none
camera : Canon 5D
Film/CCD : iso1000
Exp. time : 30x 15 seconds, EQ6 mount
Weather :
Site : Sweden, Stockholm
Comment : A test with my Pentax telephoto lens. Not very well color corrected.

M42 Orion Nebula 1997
Object : M42 Orion Nebula
Date : 1997 April
Time (UT) : 20:00 ??
Lens/telescope : Konica 135mm f3.5
Corrector/Barlow : none
Filter : none
camera : Konica
Film/CCD : Kodak PJM-2 640
Exp. time : 30 seconds, no motor drive
Weather :
Site : Spain La Palma
Comment : Out of focus to bring out the colors of the stars.
The red star up to the left is Betelgeuse. It is a super giant M-star, 800 times the suns diameter, but it's mass is only 20 times the Sun's

M42 Orion Nebula 1996
Object : M42 Orion Nebula
Date : 1996
Time (UT) : 20:00 ??
Lens/telescope : Konica 135mm f3.5
Corrector/Barlow : none
Filter : none
camera : Konica
Film/CCD : Kodak PJM-2 640
Exp. time : 30 seconds, piggy back on Celestron C8
Weather :
Site : Sweden Saltsjobaden
Comment : M42 is the red veil in Orion's sword under the belt (the three stars at the top)
More to know : Wikipedia:
https://en.wikipedia.org/ wiki/Orion_Nebula

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