M 8  +  M 20  (Lagoon Nebula + Trifid Nebula)

70%  resolution (4.4MB)

Object identification (4.4MB)

Mosaic of three panels (from M 8 to M 16)

Object data of M8

Object type: Emission nebula
Size: 90' x 40'
Magnitude: 6.0 mag
Constellation: Sgr
Distance: 5,200 Ly
Notes: The Lagoon Nebula (Messier 8) is one of the finest and brightest star-forming regions in the sky. It is a giant cloud of interstellar matter which is currently undergoing vivid star formation, and has already formed a considerable cluster of young stars.

Object data of M20

Object type: Emission and reflection nebula
Size: 28'
Magnitude: 6.3
Constellation: Sgr
Distance: 5,200 Ly
Notes: The Trifid Nebula (catalogued as Messier 20) is an HII region located in Sagittarius. Its name means 'divided into three lobes'. The dark nebula Barnard 85 is responsible for the trifurcated appearance of the emission nebula. The blue coloured nebula above the emission nebula is a reflection nebula.

Exposure data

Date: 2015-10-11
Location: Hacienda Los Andes / Chile (1100m)
Telescope: Canon EF 200mm f/2.8L  @ f/3.5 + mechanical stopper
Camera: EOS6D (ISO1600)
Mount: Astrotrac TT320X
Exposure time: 45x2min
Exposure time total: 1h30min
Notes: Image acquisition by CEDIC team (Bernhard Hubl, Justin Kabaus, Christoph Kaltseis, Markus Blauensteiner)

Image processing by Bernhard Hubl