M42 2020 (Wei-Hao Wang)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 42 c Ori · 43 the02 Ori · 44 iot Ori · 45 Ori · De Mairan's nebula · Great Nebula in Orion · Hatysa · M 42 · M 43 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri · VdB44

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M42 2020

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M42 2020

This image was taken as a test to my new camera, so the imaging strategy isn't optimized for obtaining the best quality. Half of the exposures were made with GFX-50R while the other half by 645z.

If you are interested in direct comparison of the images from the two cameras, here you go:

http://group.asiaa.sinica.edu.tw/whwang/old/misc/M42_GFX_vs_645z.jpg

The images are processed in consistent ways to my taste. 645z (modified) is clearly less noisy (reasons unknown yet), but the H-alpha sensitivity of the unmodified 50R is very impressive.

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Status	Advanced success
Started	...
Astrometry.net job	3235959
PixInsight job	XBITYDZ057P0LMLZKAHAXMNQL80BY3MP
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h35m03s.29
RA (top/left)	05h38m45s.46
RA (top/right)	05h32m08s.38
RA (bottom/right)	05h31m20s.15
RA (bottom/left)	05h37m58s.87

Dec (center)	-05°17′05″.9
Dec (top/left)	-04°14′35″.7
Dec (top/right)	-04°05′51″.10
Dec (bottom/right)	-06°19′33″.1
Dec (bottom/left)	-06°28′17″.8

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M42 2020

M42 2020

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M42 2020

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