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Trifid Nebula (M20) - modded DSLR


glowingturnip

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Finally managed to finish processing this one, taken in the summer:

 

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19 subs at ISO1600 - a combination of 5min, 4min and 3 min (the first ones were too bright, maybe I should try a lower ISO), darks, flats and bias, equipment as per sig.

 

 

The Trifid Nebula (M20) is an H II region located in Sagittarius.

Its name means 'divided into three lobes'. The object is an unusual combination of an open cluster of stars; an emission nebula (the red portion), a reflection nebula (the blue portion) and a dark nebula (the apparent 'gaps' within the emission nebula that cause the trifurcated appearance).

The Trifid Nebula is a star-forming region in the Scutum spiral arm of the Milky Way. The most massive star that has formed in this region is HD 164492A, an O7.5III star with a mass more than 20 times the mass of the Sun. This star is surrounded by a cluster of approximately 3100 young stars.

It is approximately 5000 ly away from Earth. Its apparent magnitude is 6.3.

 

 

triffid3web.jpg

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