Hemisphere:  Southern  ·  Constellation: Scorpius (Sco)
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The Rarely Imaged RCW 120, 



    
        

            Russ Carpenter
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The Rarely Imaged RCW 120

Technical card

Dates:July 16, 2020

Frames: 16x600"

Integration: 2.7 hours

Avg. Moon age: 25.34 days

Avg. Moon phase: 18.63%


Astrometry.net job: 3753003

RA center: 17h 12' 24"

DEC center: -38° 26' 44"

Pixel scale: 0.957 arcsec/pixel

Orientation: -90.378 degrees

Field radius: 0.347 degrees


Resolution: 1809x1882

Data source: Amateur hosting facility

Remote source: ChileScope

Description

This small but handsome emission nebula is just 6 arcmin in diameter. The Herschel infra-red telescope revealed an embryonic star that will become one of the brightest stars in the Milky Way. It will grow by sucking in material from nearby gas and dust.

This image was made from Ha and OIII signals. As an experiment, I used PixInsight for Pre-Processing and StarTools for Post-Processing. So far, I’m very impressed by the way StarTools has progressed during the 10 years of its existence.

Tech Notes for ASA 500/3.6:
ASA Newtonian, 500 mm aperture, 1900mm focal length, F3.6
FLI Proline 16803, 9 mm pixel, 4096 X 4096
ASA DDM85 equatorial mount
Processing with PixInsight and StarTools

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The Rarely Imaged RCW 120, 



    
        

            Russ Carpenter