M42 M43 (Dave Erickson)

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 · IC 420 · IC 430 · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · NGC 1999 · Orion Nebula · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri · And 3 more.

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M42 M43

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M42 M43

I know yet another Great Orion Nebula Image M42 M43.

I was fooling around with HDR functionality in PI combining some old and recent data. This combines (2) sets of exposures one short and another 12X longer. One set is (60) seconds and the other is (720) seconds.

All data was taken using the home design and constructed 8" F/2.6 astrograph, a STL 11000m and a 12nm Halpha filter.

Original
B
Final
C

SoCal Astrophotography
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Status	Advanced success
Started	...
Astrometry.net job	3367706
PixInsight job	8UD3X9LPDCNOT7W37MRZF4W4G2KYXQ5P
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h36m09s.33
RA (top/left)	05h31m08s.53
RA (top/right)	05h32m07s.66
RA (bottom/right)	05h41m11s.73
RA (bottom/left)	05h40m09s.66

Dec (center)	-05°24′49″.10
Dec (top/left)	-03°41′24″.8
Dec (top/right)	-07°17′22″.8
Dec (bottom/right)	-07°07′59″.2
Dec (bottom/left)	-03°32′04″.5

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M42 M43

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