Sh2-129, Outters 4 and VdB140

Jarkko Järvinen

Astrobin submission: https://www.astrobin.com/xpnafs/?nc=user
Instagram: https://www.instagram.com/p/COdhjyrh4zo/
Imaging telescopes or lenses: Nikon 200mm F2.0
Imaging cameras: ASI ZWO 1600 MM Pro Cooled
Mounts: NEQ6
Guiding cameras: ZWO ASI120MM-S

Software: PixInsight · PhotoShop Creative Cloud · Starkeeper.it Voyager
Filters: Chroma Ha 3nm · Chroma OIII 3nm
Frames: 270x300"

Integration: 22.5 hours

Avg. Moon age: 18.63 days
Avg. Moon phase: 84.04%
Resolution: 3353x2938

Data source: Backyard

Description
This is the culmination of my learnings, failures and work during my first year of astrophotography. This is a pretty dim target and I spent 6 short spring nights photographing it from a Finnish cabin by the seaside. As an added difficulty bonus, it was the last target of the season and the moon was almost full most of the time so it certainly wasn't trivial to get things right.

I put basically everything I have learned so far into this one and it's my first published astrophoto here.

~20h of Ha and OIII signal together amounted to ~10 Gigabytes of material, so this is by far the deepest photo yet for me. I might try to work on RGB stars and maybe drizzling later on, but for now I'm pretty happy with the results.

uploaded 06 май, 2021 Copyright by Jarkko Järvinen

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