M42 - The Orion Nebula (David Foust)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 42 Ori) · 43 Ori) · 44 Ori) · Great Orion Nebula · IC 420 · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · Orion Nebula · The star 45 Ori · The star Hatysa (ι Ori · The star Mizan Batil I (c Ori · The star Mizan Batil II (θ2 Ori · The star Trapezium (θ1 Ori A · The star θ1 Ori C · The star θ1 Ori D · Upper Sword · the Running Man Nebula

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M42 - The Orion Nebula

Revision title: M42 - The Orion Nebula Revision 1

Link: https://www.davidfoust.com/gallery/m42-orion-nebula

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M42 - The Orion Nebula

Revision title: M42 - The Orion Nebula Revision 1

Link: https://www.davidfoust.com/gallery/m42-orion-nebula

Orion is finally high enough in the sky during my imaging session that I was able to sneak in some imaging time on the Orion Nebula. It's such a beautiful object. I'd to add some more exposure time, both with short and long exposures to capture more detail in the core of the nebula, as well as more detail in the dust surrounding the nebula.

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Title: M42 - The Orion Nebula Revision 1

Description: Added an hour of 3 minute subframes to nearly double the total exposure time to just shy of 3 hours. I was hoping that the longer exposure subframes might help reveal a little more dust and gas around the nebula, but it seems like it really only reduced the noise a bit. I recall watching a lecture from Dr. Robin Glover who stated that this is exactly what would happen! Here's a link if you're curious: https://www.youtube.com/watch?v=3RH93UvP358

I do think there certainly is an ideal exposure time for each target to optimize the signal to noise per frame, which is then amplified with a higher number of exposures, but of course, this ideal time will vary depending on the target. Seems like the Orion Nebula is a target that really only needs about 30-60 second subframes in Bortle 4 skies to reveal even the faint dust near it!

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M42 - The Orion Nebula

Revision title: M42 - The Orion Nebula Revision 1

M42 - The Orion Nebula

Revision title: M42 - The Orion Nebula Revision 1

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M42 - The Orion Nebula

Revision title: M42 - The Orion Nebula Revision 1

M42 - The Orion Nebula

Revision title: M42 - The Orion Nebula Revision 1

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