M20 (Wolfgang Promper)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: B85 · HD164492 · HD164514 · HD313596 · HD313597 · HD313715 · HD313736 · HD313737 · HD313739 · HD313740 · LBN 27 · M 20 · NGC 6514 · Trifid Nebula

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M20

Link: http://www.astro-pics.com/20nrcm.htm

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M20

Link: http://www.astro-pics.com/20nrcm.htm

The Triffid is not exactly a narrowband object, at least that was what I thought. there is a lot of SII signal, and interestingly what I thought is only reflection shows nicely on the OIII chanel.
SHO 3 hours each.

Original
Final
B

B

Description: Here is a new revision of my M20 in narrowband.
The data was very good and I just didn´t do it justice in the first processing run.
I also cropped the field to give the core of the Triffid a bit more impact.

Uploaded: ...

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Status	Advanced success
Started	...
PixInsight job	YE1SXJTOXKLK8OX0NPM8DRJ81QMXANQM
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h02m26s.500
RA (top/left)	18h03m09s.597
RA (top/right)	18h01m43s.500
RA (bottom/right)	18h01m42s.403
RA (bottom/left)	18h03m09s.104

Dec (center)	-23°00′59″.99
Dec (top/left)	-22°52′33″.10
Dec (top/right)	-22°52′23″.98
Dec (bottom/right)	-23°09′25″.24
Dec (bottom/left)	-23°09′34″.10

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