M 42 (Karl-Heinz Macek)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 43 Ori) · Great Orion Nebula · M 42 · M 43 · Mairan's Nebula · NGC 1976 · NGC 1982 · Orion Nebula · The star Mizan Batil II (θ2 Ori · The star Trapezium (θ1 Ori A · The star θ1 Ori C · The star θ1 Ori D

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M 42

Revision title: M 42, reprocessed

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

This image of M 42 is my first of this subject made with the new Seestar s50:
With single shots of 20 seconds (which still produced a lot of waste) I arrived at an integration time of 40 minutes.
Autofocus is quite good, but more precision is achieved by using a Bahtinov mask.
A lens hood also helps a lot to increase contrast and avoid stray light on the lens, which is very exposed anyway.
I did the stacking in AstroPixelProcessor, after which I processed the image in Siril and Photoshop.

The second version was processed entirely in Pixinsight, and allowed me to better correct the core with the trapezoid.

Original
D
Final
E

D

Description: Reprocessed in Pixinsight and PS.

Uploaded: ...

E

Title: M 42, reprocessed

Description: New version, reprocessed in Pixinsight, PS.

Uploaded: ...

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
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Status	Basic success
Started	...
Astrometry.net job	9622051
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M 42

Revision title: M 42, reprocessed

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M 42

Revision title: M 42, reprocessed

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