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Sh2 72 HA RGB, 





    
        

            jerryyyyy
Sh2 72 HA RGB

Sh2 72 HA RGB

Technical card

Resolution: 3302x2438

Dates:Oct. 7, 2018

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 12x235" bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 12x239" bin 1x1
Astrodon H-alpha 5nm: 14x1800" bin 1x1
Astrodon Red Tru-Balance E-Series Generation 2: 12x240" bin 1x1

Integration: 9.4 hours

Avg. Moon age: 27.73 days

Avg. Moon phase: 3.63%

Astrometry.net job: 2292249

RA center: 285.957 degrees

DEC center: 2.316 degrees

Pixel scale: 0.782 arcsec/pixel

Orientation: 0.275 degrees

Field radius: 0.446 degrees

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

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Strong signal for a Sh2 object. Looks a bit like an Oak Leaf to me, but as far as I can tell is unnamed.

From: http://galaxymap.org/cat/view/sharpless/72

This relatively large HII region might be ionised by the B0.5 IV star BD +2 3762 according to Forbes, but this is uncertain.

This nebula is prominent at radio frequencies as can be seen in this Effelsberg image and this VLA image and lies at the centre of a faint infrared ring as can be seen in MSX.

Comments

Author

jerryyyyy
jerryyyyy
License: None (All rights reserved)
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Sh2 72 HA RGB, 





    
        

            jerryyyyy