Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Propeller Nebula, DWB111/119, Michael Stecker
Propeller Nebula, DWB111/119
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Propeller Nebula, DWB111/119

Getting plate-solving status, please wait...
Propeller Nebula, DWB111/119, Michael Stecker
Propeller Nebula, DWB111/119
Powered byPixInsight

Propeller Nebula, DWB111/119

Equipment

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Description

DWB 111 & 119 (Propeller Nebula)
From the Dickel-Wendker-Bieritz Catalog of HII regions of the Cygnus-X star forming region is DWB 111/119, also known as Simeis 57 or the "Propeller Nebula".  It is visually close to both stars Deneb and Gamma Cygni in the constellation Cygnus.  It has the red Hydrogen-alpha color of an emission nebula.
file: DWB111-240sX52P2AP130f6-7272023a2.jpg

Photographic Data
telescope:
Astro-Physics 130 mm EDF Starfire refractor at f/6.7 (focal length= 877 mm)

mount:
ZWO AM5 harmonic/strainwave
Guiding hardware:
SVBony 60 mm f/4 guidescope (fl=240 mm)
Guide Camera: ZWO ASI662MC color planetary camera (2.97 micron pixels)

controller/computer
ZWO Asiair Plus via WiFi to Samsung S7+ tablet
.
imaging camera:
ZWO ASI533MC-Pro one-shot color astro-camera cooled to 14-degrees F with Optolong L-eNhanced nebular filter
.
exposures:
240 seconds X 52 (208-minutes or 3.4 hours)

processing
Stacked in Asiair Plus and cropped and post-processed in Adobe Photoshop Elements
.
photographic site:
West Los Angeles
http://mstecker.com/pages/chhouses_fp.htm
(Bortle 9 light polluted sky)

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Propeller Nebula, DWB111/119, Michael Stecker