Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  43 Ori)  ·  Great Orion Nebula  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1982  ·  Orion Nebula  ·  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 HDR Composite, allen456
M42 HDR Composite
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M42 HDR Composite

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Description

My first stab at HDR image processing. Image consists of two stacks of 10, at 30 and 240 secs, ISO400 for both. Stacks processed with 10 darks, 10 flats and 10 bias frames each. They were combined in Photoshop with layer masking, using the techniques learned from Doug German's tutorial (http://www.youtube.com/watch?v=THlwDf4zDDo). Post processing was done in Photoshop CS3 with Neil Carboni's Astronomy Tools. I will be trying the stacking and processing again to try and eliminate more of the noise.

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M42 HDR Composite, allen456