Messier 1 (SHO) (Linda)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: Crab nebula · M 1 · NGC 1952 · Sh2-244

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Messier 1 (SHO)

Link: https://lindasastronomyadventures.space/2021/01/12/m1-the-crab-nebula/

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Messier 1 (SHO)

Link: https://lindasastronomyadventures.space/2021/01/12/m1-the-crab-nebula/

I finally did a Hubble palette image.

This is 13 hours of data from December 2019 and January 2021. Processing was a little different from what I've been doing lately. I opted for a drizzle integration since the nebula was so small, even in an 1,100mm focal length telescope.

On each master:

dynamic crop

deconvolution

MLT noise reduction

on the combined master:

channel combination

cloned the master

On the first copy (call it starless)

mild stretch (moved the histogram up about ⅛ on the graph)

starnet

LHE

curves for contrast

on the second copy (call it stars)

minimal stretch to bring out some stars but not too many

adv sharpening script

combined the two with max(stars, starless) using pxielmath

final crop

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Status	Advanced success
Started	...
Astrometry.net job	4146985
PixInsight job	NIFRXNX2MHOEPC2GBCKR26J6SAXTY7FT
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h34m29s.732
RA (top/left)	05h33m17s.865
RA (top/right)	05h35m43s.225
RA (bottom/right)	05h35m41s.832
RA (bottom/left)	05h33m16s.110

Dec (center)	+22°02′17″.78
Dec (top/left)	+21°49′53″.44
Dec (top/right)	+21°50′25″.37
Dec (bottom/right)	+22°14′40″.28
Dec (bottom/left)	+22°14′08″.50

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Messier 1 (SHO)

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