Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  41 the01 Ori  ·  42 Ori)  ·  42 c Ori  ·  43 Ori)  ·  43 the02 Ori  ·  44 Ori)  ·  44 iot Ori  ·  45 Ori  ·  Great Orion Nebula  ·  HD294261  ·  HD294262  ·  HD294263  ·  HD36593  ·  HD36606  ·  HD36655  ·  HD36671  ·  HD36712  ·  HD36742  ·  HD36782  ·  HD36842  ·  HD36843  ·  HD36865  ·  HD36866  ·  HD36883  ·  HD36884  ·  HD36899  ·  HD36917  ·  And 68 more.
Great Nebula in Orion (Restack), Stephen Migol
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Great Nebula in Orion (Restack)

Great Nebula in Orion (Restack), Stephen Migol
Powered byPixInsight

Great Nebula in Orion (Restack)

Equipment

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Acquisition details

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Description

An extensive rework of this set of images from Dec 24, 2011 at Montebello OSP. Taken with my Pentax K10D camera using the Stellarvue SV4. Guided with PHD using the Orion SSAG on a SV70ED. Sitting on a Losmandy GM-8 that I've recently upgraded with the OPW and high precision gear.

Stacked with DSS using:

Stacking step 1 ->2 frames (ISO: 100) - total exposure: 1 mn 56 s

Stacking step 2 ->6 frames (ISO: 100) - total exposure: 11 mn 54 s

Stacking step 3 ->3 frames (ISO: 100) - total exposure: 15 mn 0 s

Stacking step 4 ->1 frames (ISO: 100) - total exposure: 10 mn 2 s

Processed with PixInsight. DBE, 50 iterations of Masked Stretch to .09 median value and then another 50 to .1 value. Slight histogram stretch to tweak. Exported to LR3 where I did final touchup.

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Sky plot

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Great Nebula in Orion (Restack), Stephen Migol