Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 17  ·  NGC 6618  ·  Omega nebula
M17 (SHO) redux, John Renaud
M17 (SHO) redux
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M17 (SHO) redux

M17 (SHO) redux, John Renaud
M17 (SHO) redux
Powered byPixInsight

M17 (SHO) redux

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Description

This is just a reprocess of the M17 that I posted last month: https://astrob.in/414497

Ha 3nm: 47x600" -25C bin 1x1

OIII 3nm: 49x600" -25C bin 1x1

SII 3nm: 49x600" -25C bin 1x1

Total integration: 24.2 hours

The original pass on this one was a combination of impatient rush job, first time working with SHO and not quite having my PI integration flow fully nailed down with a new camera setup... so this is a re-pop from scratch with a tightened up processing flow and a [hopefully!] more dynamic and interesting color scheme. Yes, I know the NR is too much - I overdid it early on and was too lazy to go back and fix it. :-) I also incorporated the use of Nikita's wonderful StarNet++ PI module (https://www.astrobin.com/397290/), which greatly reduces the always tedious and time consuming chore of creating usable star masks... will definitely be adding this to my tool box!

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Description: Minor tweaks

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M17 (SHO) redux, John Renaud