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Sh2 127, 





    
        

            jerryyyyy
Sh2 127

Sh2 127

Technical card

Resolution: 2889x2144

Dates:Sept. 1, 2018

Frames:
AstroDon 5nm Ha filter: 8x1800" bin 1x1
Astrodon Blue Tru-Balance E-Series Gen 2: 8x240" bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 8x240" bin 1x1
Astrodon Red Tru-Balance E-Series Generation 2: 8x240" bin 1x1

Integration: 5.6 hours

Avg. Moon age: 20.49 days

Avg. Moon phase: 67.29%

Astrometry.net job: 2229260

RA center: 322.175 degrees

DEC center: 54.617 degrees

Pixel scale: 0.782 arcsec/pixel

Orientation: 180.208 degrees

Field radius: 0.391 degrees

Locations: Stanford Faculty Observatory, Stanford, California, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Well, smaller than I thought, especially with a FL of 1400. I saw a nice rendition of this and that was done with a much larger scope. In any case, for completeness, here is Sh2 127.

http://galaxymap.org/cat/list/sharpless/121

Quote: Radio analysis reveals that Sh 2-127 consists of two distinct components - a larger weaker and more diffuse source (WB89 85A) to the northeast, consistent with ionisation by an O7 class star, and a stronger but smaller source to the southwest (WB89 85B), consistent with ionisation by an O8.5 class star. (However, it is also possible that both components are ionised by a single star.) Both components are located near the northwestern edge of a molecular cloud and are embedded in the molecular gas.

According to a 1978 study, Sh 2-120, Sh 2-121, Sh 2-127 and Sh 2-128 are all at about the same distance of 7500 parsecs and are "probably distant HII regions associated with a spiral feature more distant than the Perseus arm".

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jerryyyyy
jerryyyyy
License: None (All rights reserved)
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Sh2 127, 





    
        

            jerryyyyy