SUNSET: 
0
Photographer:
Nick Pavelchak
Location of Photo:
Altamont, NY
Date/Time of photo:
Feb 2020
Equipment:
C14Edge, Ap900GTO, SBIG10XME, Astrodon HaOIII, Optec TCF
Description:
The object commonly known as “The Fly” is a combination of a red emission nebula, blue reflection nebula, and an open star cluster. The star cluster is listed in the New General Catalog (NGC) as NGC 1931, while the nebulosity is included in the Sharpless catalog as Sh2-237. NGC 1931 is located in an extension of the Perseus Arm of the Milky Way about 7000 light-years away. The stars are relatively young at an age of about 10 million years. A study by A.K. Pandey and H.S. Mahra suggest the nebulosity may be a background object to the star cluster (http://articles.adsabs.harvard.edu//full/1986Ap%26SS.120..107P/0000113.000.html). The Fly is often imaged in a wide field view with “The Spider” nebula (IC 417) which appears much larger and dominates the field. I have always admired the compact cocoon-like shape of The Fly and chose to highlight its unique features.
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