Orion Nebula M42 in 3nm Ha and 3nm OIII (Michael Mantini)

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 Orion Nebula · Hatysa · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1982 · Orion Nebula · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri · the Running Man Nebula

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Orion Nebula M42 in 3nm Ha and 3nm OIII

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Orion Nebula M42 in 3nm Ha and 3nm OIII

M42 in 3nm Ha and 3nm OIII. This was the first light test of my new ZWO ASI183MM Pro camera, and it did quite well. It's small 2.4um pixels and sensor size match well with my short refractors and Edge11/HyperStar configuration. With the moon up and not far from M42, I decided to use my 3nm Ha and OIII instead of my 5nm filters to help increase the overall contrast. I was a little worried that the ASIAIR controller would struggle to autofocus with my 3nm filters, but it seemed to do the job quite well. The ASI183 has some reasonable amp glow, but it calibrates out nicely with Darks.

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Status	Advanced success
Started	...
Astrometry.net job	4176242
PixInsight job	R9CRRVRGC2UGT6Y1I0698UIROSV9SVK8
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h34m40s.60
RA (top/left)	05h32m31s.84
RA (top/right)	05h32m45s.90
RA (bottom/right)	05h36m48s.59
RA (bottom/left)	05h36m34s.76

Dec (center)	-05°20′14″.8
Dec (top/left)	-04°37′15″.5
Dec (top/right)	-06°05′31″.7
Dec (bottom/right)	-06°03′12″.4
Dec (bottom/left)	-04°34′56″.5

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Orion Nebula M42 in 3nm Ha and 3nm OIII

Orion Nebula M42 in 3nm Ha and 3nm OIII

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Orion Nebula M42 in 3nm Ha and 3nm OIII

Orion Nebula M42 in 3nm Ha and 3nm OIII

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