Hemisphere:  Northern  ·  Contains:  Sh2-187
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Sh2-187 (LBN 630) in Cassiopeia, 


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Sh2-187 (LBN 630) in Cassiopeia

Imaging telescopes or lenses: ASA - Astro Systeme Austria ASA 10'

Imaging cameras: Moravian G2-4000

Mounts: Paramount MyT

Guiding telescopes or lenses: ASA - Astro Systeme Austria ASA 10'

Guiding cameras: Moravian G1-0300

Focal reducers: ASA - Astro System Austria ASA 3" Wynne Reducer Korrektor 0,95x

Software: The SkyX Pro  ·  MaxPilote  ·  PIXINSIGHT PixInsinght 1.8 RC7  ·  Photoshop CS6 Extended

Filters: Astrodon Red  ·  Astrodon Luminance  ·  Astrodon Green

Accessory: résistance chauffante

Dates:Oct. 5, 2018

Astrodon Blue: 20x300" -15C bin 1x1
Astrodon Green: 25x300" -15C bin 1x1
Astrodon Luminance: 139x300" -15C bin 1x1
Astrodon Red: 23x300" -15C bin 1x1

Integration: 17.2 hours

Avg. Moon age: 25.51 days

Avg. Moon phase: 17.22%

Astrometry.net job: 3246417

RA center: 1h 22' 15"

DEC center: +61° 43' 30"

Pixel scale: 1.678 arcsec/pixel

Orientation: -173.914 degrees

Field radius: 0.667 degrees

Resolution: 2022x2025

Locations: Jardin, TOUL, Lorraine, France

Data source: Own remote observatory

Remote source: Non-commercial independent facility


The distance was estimated by spectrophotometry around 1440 parsecs (about 4700 light-years). 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.

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.



License: None (All rights reserved)


    Sh2-187 (LBN 630) in Cassiopeia, 


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    Sh2-187 (LBN 630) in Cassiopeia, 



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Sh2-187 (LBN 630) in Cassiopeia,