Orion Nebula M42 HDR 2,288 exposures LRGB (Cfreerksen)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 43 the02 Ori · 44 iot Ori · De Mairan's nebula · Great Orion Nebula · Hatysa · LBN 974 · LBN 977 · LDN 1640 · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1976 · NGC 1980 · NGC 1982 · Orion Nebula · Sh2-281 · The star θ1Ori · The star θ2Ori · The star ιOri · VdB42

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Orion Nebula M42 HDR 2,288 exposures LRGB

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Orion Nebula M42 HDR 2,288 exposures LRGB

M42 in a HDR composition. I tried to pull as much detail in the Trapezium as possible with my GT102. I was able to pull Theta Orionis Trapezium stars E and F stars (F is a bit of a stretch in the final). This was done over several nights with a total of 2,288 exposures. Exposures ranged from 5 sec to 90 sec. It was a real chore to stack and get the HDR color to balance correctly. Enjoy!
Lum
786 x 5 sec
324 x 10 sec
190 x 30 sec
74 x 60 sec

R
199 x 15 sec
80 x 45 sec
35 x 90 sec
G
175 x 15 sec
85 x 45 sec
40 x 90 sec
B
175 x 15 sec
85 x 45 sec
40 x 90 sec

Original
C
Final
E

C

Title: A shot of the Trapezium Core Orionis Theta-1 A thru F

Description: A bit of a different curve to show the core of the final presentation.

Uploaded: ...

E

Title: M42 Orion with a bit more finesse.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	5448785
PixInsight job	XZ1YSSH6F2MAPXMVJGOT59MRCHLUKB0C
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m00s.18
RA (top/left)	05h38m59s.23
RA (top/right)	05h31m45s.74
RA (bottom/right)	05h31m00s.62
RA (bottom/left)	05h38m15s.20

Dec (center)	-05°34′31″.1
Dec (top/left)	-05°07′11″.3
Dec (top/right)	-04°50′25″.5
Dec (bottom/right)	-06°01′47″.0
Dec (bottom/left)	-06°18′35″.6

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Orion Nebula M42 HDR 2,288 exposures LRGB

Orion Nebula M42 HDR 2,288 exposures LRGB

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Orion Nebula M42 HDR 2,288 exposures LRGB

Orion Nebula M42 HDR 2,288 exposures LRGB

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C

E

Sky plot

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