Sh 2-187

Posted by Amenophis
on Friday, October 05, 2018

The cloud is part of a large molecular complex at the center of which is a high-speed molecular beam from a source of infrared radiation labeled S 187 IRS, located very close to another powerful source, IRAS 01202 + 6133.
The visible part of the cloud is surrounded by a neutral hydrogen envelope, detectable at wavelengths other than visible, whose total mass can be estimated at about 7,600 solar masses.
His age can be estimated at around 100-200 000 years old. The distance was estimated by spectrophotometry around 1440 parsecs (about 4700 light-years).

Evidence of the presence of star formation phenomena can be identified in the numerous infrared sources discovered in the nebula, such as those just mentioned, in particular the molecular beam; in particular, one of the most powerful sources is IRAS 01202 + 6133.

Telescope ASA10''
Moravian G2-4000
Paramount MyT
Filtre Astrodon Luminance : 139x300s
Filtre Astrodon RED : 23x300s
Filtre Astrodon GREEN : 25x300s
Filtre Astrodon BLUE : 20x300s
Total : 17hrs

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