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Sh2-140 HII Region, 





    
        

            Jerry Macon
Sh2-140 HII Region

Sh2-140 HII Region

Technical card

Resolution: 4620x3488

Dates:Aug. 29, 2018

Frames:Astrodon Gen 2 RGB 36mm: 69x100" (gain: 99.00) -18C bin 1x1

Integration: 1.9 hours

Avg. Moon age: 17.56 days

Avg. Moon phase: 91.41%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2328284

RA center: 334.783 degrees

DEC center: 63.285 degrees

Pixel scale: 0.699 arcsec/pixel

Orientation: 88.336 degrees

Field radius: 0.562 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

The Sharpless catalog is a list of 313 HII regions (emission nebulae), intended to be comprehensive north of declination −27°. The first edition was published in 1953 with 142 objects (Sh1), and the second and final version was published by US astronomer Stewart Sharpless in 1959 with 312 objects. Sharpless also includes some planetary nebulae and supernova remnants, in addition to HII regions.

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Author

jmacon
Jerry Macon
License: Attribution Creative Commons
1564
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Sh2-140 HII Region, 





    
        

            Jerry Macon