M20 Trifid Nebula - Broadband (noon)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: B85 · HD164294 · HD164384 · HD164402 · HD164492 · HD164514 · HD164534 · HD164704 · HD164739 · HD164833 · HD313595 · HD313596 · HD313597 · HD313598 · HD313606 · HD313710 · HD313713 · HD313714 · HD313715 · HD313716 · HD313718 · HD313719 · HD313731 · HD313732 · HD313736 · HD313737 · HD313739 · HD313740 · LBN 27 · M 20 · And 3 more.

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M20 Trifid Nebula - Broadband

Revision title: M20 reprocessed

Powered byPixInsight

M20 Trifid Nebula - Broadband

Revision title: M20 reprocessed

This is pre-OAG... you can see the smear I was getting back in those days.... the wee little ZWO guide scope really didn't have the parity with my 1443mm 10" f/5.77 (with Paracorr). Will aim for more data this summer to flesh it out and bring out more of the clouds and reflection nebula... didn't realize how much of this was invisible to narrowband until I dug back into this reprocess. Goal is 10-20 more hours of data this summer.

Original
Final
B

B

Title: M20 reprocessed

Description: added 18x 180 sec exposures. then started process over... chose tightest 15% of 120s frames, integrated to create normalization frame... used DBE on that, then local normalized all frames prior to integration. Then color calibration, spectrometric CC, EZdenoise, stretch, luminance mask, curve adjustment for darks/lights/saturation.

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ZWO ASI 294MC PRO
N.I.N.A. Users
Fast Newtonians
SoCal Astrophotography
Broadband under Bortle 7/8/9

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Status	Advanced success
Started	...
Astrometry.net job	7383347
PixInsight job	HN9MQF92Q09SBW7GSIW1SOG7R94EJEH1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h02m42s.781
RA (top/left)	18h04m03s.101
RA (top/right)	18h01m11s.210
RA (bottom/right)	18h01m22s.159
RA (bottom/left)	18h04m14s.656

Dec (center)	-22°58′02″.23
Dec (top/left)	-22°42′32″.21
Dec (top/right)	-22°46′22″.41
Dec (bottom/right)	-23°13′28″.68
Dec (bottom/left)	-23°09′40″.98

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M20 Trifid Nebula - Broadband

Revision title: M20 reprocessed

M20 Trifid Nebula - Broadband

Revision title: M20 reprocessed

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M20 Trifid Nebula - Broadband

Revision title: M20 reprocessed

M20 Trifid Nebula - Broadband

Revision title: M20 reprocessed

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Description

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Sky plot

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In these public groups

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