M42 Orion Nebula #19 (Optolong L-Ultimate) (Molly Wakeling)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 41 the01 Ori · 43 Ori) · 43 the02 Ori · Great Orion Nebula · HD36917 · HD36939 · HD36981 · HD36982 · HD37042 · HD37061 · HD37062 · HD37114 · LBN 974 · M 42 · M 43 · Mairan's Nebula · NGC 1976 · NGC 1982 · Orion Nebula · PGC 3081010 · Sh2-281 · 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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M42 Orion Nebula #19 (Optolong L-Ultimate)

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M42 Orion Nebula #19 (Optolong L-Ultimate)

I realized I hadn't taken any Orion images this year, and I've got some really cool new filters I've been testing for Optolong and Antlia. This one is with the Optolong L-Ultimate, which I will be writing a review on once I get some images to show -- we've had almost nothing but clouds for two months!

The Orion Nebula is one of those few things in the sky where you can look through the telescope or take a very short exposure on beginner equipment and just breathe "wow." It's bright, colorful, and richly detailed -- it even shows some color visually, appearing a blue-green (from the oxygen and hydrogen-beta light, wavelengths our eyes are mores sensitive to). It photographs well at any focal length.

Messier 42, or The Great Nebula of Orion, is located ~1,344 lightyears away, partway between Orion's three-starred Belt and his feet. You can frequently spot it naked-eye even from moderately light-polluted areas if you know where to look. The nebula spans 24 lightyears. It's been intensely studied, and has revealed rich information about how stars and planetary systems form. The intricate shapes in the dust and gas are from from the energetic stellar winds of hot, young stars born in the nebula.

The first published observation was in 1619 by Jesuit astronomer and mathematician Johann Baptist Cysat, who lived in Lucerne, Switzerland. He compared it to comets he had observed. Charles Messier observed and cataloged it in 1749.

The Optolong L-Ultimate is a dual-narrowband filter with 3nm bandpasses centered on H-alpha and OIII.

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Status	Advanced success
Started	...
Astrometry.net job	7112609
PixInsight job	BIGHV4DMTJVABFUU017CX1ODZ3N6HXA8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m15s.762
RA (top/left)	05h34m50s.572
RA (top/right)	05h34m15s.280
RA (bottom/right)	05h35m40s.535
RA (bottom/left)	05h36m16s.247

Dec (center)	-05°23′25″.28
Dec (top/left)	-05°04′27″.48
Dec (top/right)	-05°36′29″.89
Dec (bottom/right)	-05°42′28″.58
Dec (bottom/left)	-05°10′19″.57

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M42 Orion Nebula #19 (Optolong L-Ultimate)

M42 Orion Nebula #19 (Optolong L-Ultimate)

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M42 Orion Nebula #19 (Optolong L-Ultimate)

M42 Orion Nebula #19 (Optolong L-Ultimate)

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