M8 The Lagoon Nebula
Photographer:
Location:
Exposure type:
Roth Ritter
Lamy, NM on 2010, Jul 4
LRGB (340:110:110:110)
Telescope:
Mount:
Camera:
RCOS 10RCA @ f/7 (1825mm)
Paramount ME
SBIG STL-11000M, AO-L, Filter set C L R G B


[ click the photo to enlarge ]
Additional Notes:
The Lagoon Nebula is estimated to be between 4,000-6,000 light- years from the Earth. In the sky of Earth, it spans 90' by 40', translates to an actual dimension of 110 by 50 light years. Like many nebulas, it appears pink in time- exposure color photos but is gray to the eye peering through binoculars or a telescope, human vision having poor color sensitivity at low light levels. The nebula contains a number of Bok globules - dark, collapsing clouds of protostellar material - the most prominent of which have been catalogued by E. E. Barnard as B88, B89 and B296. It also includes a funnel-like or tornado-like structure caused by a hot O-type star that pours out ultraviolet light, heating and ionizing gases on the surface of the nebula. The Lagoon Nebula also contains at its centre a structure known as the "Hourglass Nebula" (so named by John Herschel), which should not be confused with the better known Hourglass Nebula in the constellation of Musca.

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