M31 core - Baader UHC-L booster (Tom Gray)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: Andromeda Galaxy · M 31 · M 32 · NGC 221 · NGC 224

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M31 core - Baader UHC-L booster

Revision title: Binned, colour calibrated, deconvolved

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M31 core - Baader UHC-L booster

Revision title: Binned, colour calibrated, deconvolved

I have been in two minds about posting this image - with poor focus, framing and taken under a bright moon. What is different is that the data were captured using a ‘narrowband’ filter optimised for emission / planetary nebulae, and supernova remnants. The Baader UHC-L booster filter has fairly broad transmission in H beta, OIII, Ha and SII, whilst also blocking blue light interference from modern LED street and headlights. As such it is described as an L-booster for RGB imaging. I think that I see some more contrast in the dust lanes surrounding the bright core of M31, and perhaps even some pale emission nebulae. Clearly, a longer integration and proper comparison with UV/IR filter is needed to really show the difference this filter makes.

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B

Title: Binned, colour calibrated, deconvolved

Description: Another boost to SNR by binning 2x2

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UK Astro-Imaging
Sky-Watcher Star Adventurer
Altair Astro 183 M/C Hypercams
Messier Objects

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Status	Advanced success
Started	...
Astrometry.net job	8532179
PixInsight job	C1570JYP0CZJUK61J44K33PGFIRKEMG4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h42m54s.34
RA (top/left)	00h43m03s.71
RA (top/right)	00h38m59s.40
RA (bottom/right)	00h42m42s.94
RA (bottom/left)	00h46m50s.24

Dec (center)	+41°33′18″.2
Dec (top/left)	+42°20′39″.10
Dec (top/right)	+41°15′47″.5
Dec (bottom/right)	+40°45′55″.3
Dec (bottom/left)	+41°50′22″.5

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M31 core - Baader UHC-L booster

Revision title: Binned, colour calibrated, deconvolved

M31 core - Baader UHC-L booster

Revision title: Binned, colour calibrated, deconvolved

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M31 core - Baader UHC-L booster

Revision title: Binned, colour calibrated, deconvolved

M31 core - Baader UHC-L booster

Revision title: Binned, colour calibrated, deconvolved

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