The ring galaxy PGC 54559
Taken by Odd Trondal on April 21, 2026 @ Norway
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Inspired by "Felldisulfide Astro"'s challenge, I tested my new ZWO 8, filter wheel. Here is his YouTube video :
https://youtu.be/KdNNlAGYQNY?si=2hKjFzsKrHMSkYv7

Time: 22:27UT 2026-04-21 Filter & Exp. R(40x65) G(20x65) B(30x185)Sec
Tel: C14 @ f/4.1 ST-7 CCD @ -25°C 1.28"/pix Paramount GT-1100S
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.

Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0, 8.0, Paint
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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