M 20  -  wide field

50%  resolution (3.8MB)

Image with AP175

Object data of Messier20

Object type: Emission and reflection nebula
Size: 28'
Magnitude: 6.3 mag
Constellation: Sgr
Distance: 5,200 Ly
Notes: The Trifid Nebula (catalogued as Messier 20) is a prominent H II region located in constellation Sagittarius. Its name means 'divided into three lobes'. The object is an unusual combination of an open star cluster, an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (the apparent 'gaps' within the emission nebula).

Exposure data

Date: 2017-07-22
Location: ATHOS Centro Astronomico / La Palma (900m)
Telescope: TEC APO 110 FL (f=616mm)
Camera: Canon EOS6D (ISO800)
Mount: 10micron GM3000 HPS
Exposure time: 14x5min
Exposure time total: 1h 10min
Notes: Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner, Michael Hanl)

Image processing by Bernhard Hubl