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M 20 Trifid Nebula

The Trifid Nebula or Messier 20 is an complex nebula 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 lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula, these are also designated Barnard 85.

Location / Date

Mt Parno June 2012

Telescope

GSO Richey Cretien 10" - AP CCDT67 Focul Reducer f 5,3

EQ Mount

Celestron CGE Pro

Camera

QHY9 KAF 8300 mono CCD, Temp -25 C

Gudingδ ΤS 65 APO, QHY5

Filter / Exposures

L 18x600 sec bin 1x, RGB 12x300sec bin 1x

Total Exposure Time

6 hours

Software

Nebulosity 3, Starry Night, Maxim DL, Pixinshight, Photoshop CS5.

 

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