Near Sadr: M29 & Abell 69 (rhedden)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: M 29 · NGC 6913

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Near Sadr: M29 & Abell 69

Revision title: Star halos removed with starnet++ v2

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Near Sadr: M29 & Abell 69

Revision title: Star halos removed with starnet++ v2

This image shows a broad area of nebulosity near the star Sadr in Cygnus, part of IC 1318, the Butterfly nebula. At the lower right is the open cluster M29. Can you spot the planetary nebula Abell 69? Starting from the center of the image, look for a tiny, red doughnut in the direction of 2 o'clock. Sadr is just below the bottom left corner of the image.

This image is an HRGB composite, with H-alpha used for luminance. All of the subs were collected in a single night, with less than 5 hours of darkness available at my location. The transparency and seeing were really quite good, though.

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B

Title: Star halos removed with starnet++ v2

Description: This image from last year suffered from some star halos, especially due to blue bloat. Using starnet++ v2 and GIMP, I was able to essentially delete the blue halos in this revision. I also reduced the file size greatly, simply by saving as a 95% quality JPG.

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Status	Basic success
Started	...
Astrometry.net job	5802910
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Near Sadr: M29 & Abell 69

Revision title: Star halos removed with starnet++ v2

Near Sadr: M29 & Abell 69

Revision title: Star halos removed with starnet++ v2

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Near Sadr: M29 & Abell 69

Revision title: Star halos removed with starnet++ v2

Near Sadr: M29 & Abell 69

Revision title: Star halos removed with starnet++ v2

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