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Sh2 72 HA RGB, 


Sh2 72 HA RGB

Sh2 72 HA RGB

Technical card

Resolution: 3302x2438

Dates:Oct. 7, 2018

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% job: 2292249

RA center: 19h 3' 49"

DEC center: +2° 18' 57"

Pixel scale: 0.782 arcsec/pixel

Orientation: 0.275 degrees

Field radius: 0.446

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

Data source: Own remote observatory

Remote source: Non-commercial independent facility


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


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.



License: None (All rights reserved)

Sky plot

Sky plot


Sh2 72 HA RGB,