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Old 17-01-2009, 01:59 AM
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RobF (Rob)
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Join Date: Jul 2008
Location: Brisbane, Australia
Posts: 5,735
M42 and Running man Neb (1st mosaic effort)

Mosaic of 2 fields - M42 and Running man nebula.
7 x 240 sec for Running man
7 x 240 + 5 x 30sec for M42
(ICNR, flats etc performed, all subs ISO 400)

Each field 240sec field stacked then merged together, stretched, etc. 5 x 30sec frames stacked and layered in last. Whole thing tortured for a while in PS.

May not convince the gurus here, but I'm reasonably happy for a first try and this sort of black magic. One minor problem - my final cropped frame is probably only a smidge larger FOV than the 450 can manage with a single frame anyway I suspect (cf first ever M42 in 2nd pic). Ah well, educational exercise on a cloudy Fri night.
Attached Thumbnails
Click for full-size image (mosaic 8 merged down small.JPG)
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Click for full-size image (M42.JPG)
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