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DWB 111, The Propeller Nebula (HA,OIII)

Technical card

Dates:Nov. 12, 2019Nov. 13, 2019Nov. 14, 2019Nov. 15, 2019

Astrodon BLUE 36mm - Gen2 E-Series Tru-Balance: 22x180" -20C bin 1x1
Astrodon GREEN 36mm - Gen2 E-Series Tru-Balance: 18x180" -20C bin 1x1
Astrodon HA 36mm - 5nm: 32x600" -20C bin 1x1
Astrodon Olll 36mm - 3nm: 30x600" -20C bin 1x1
Astrodon RED 36mm - Gen2 E-Series Tru-Balance: 24x180" -20C bin 1x1

Integration: 13.5 hours

Darks: ~50

Flats: ~50

Bias: ~100

Avg. Moon age: 16.14 days

Avg. Moon phase: 96.60%

Basic astrometry details job: 3079506

RA center: 20h 15' 59"

DEC center: +43° 39' 25"

Pixel scale: 0.730 arcsec/pixel

Orientation: 3.797 degrees

Field radius: 0.877 degrees

Resolution: 6931x5185

Locations: Healey "Utahopia" Observatory, Kaysville, Utah, United States

Data source: Own remote observatory


DWB 111, also known as the Propeller Nebula is a hydrogen-alpha emission nebula in the constellation Cygnus. The propeller shape is actually a small portion of a much larger emission nebula, which can be seen as faint red hydrogen-alpha nebulosity throughout the image frame. I believe this distance of this object is not known.

I hope you enjoy this image.



Randal Healey
License: None (All rights reserved)


Sky plot

Sky plot


DWB 111, The Propeller Nebula (HA,OIII), 


            Randal Healey

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