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Dimensions3200 x 2400
Original file size3.29 MB
Image typeJPEG
M1 - The Crab Nebula (Updated)

M1 - The Crab Nebula (Updated)

Date Posted: 9/10/2023
Date Taken: 12/13/2014, 12/25/2014
Scope: Planewave CDK 12.5 f/8, 2541mm
Camera: SBIG STL-11000 with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy Titan
Guiding: SSAG, Celestron 80mm guide scope, 600mm.
Exposure: LRGB 160:105:110:85 (L) (N)x5m, binned 1x1. RGB each (N)x5m, binned 2x2

Calibrated and Stacked with CCDStack2; RGB combine and DDP with MaximDL. Processed with CS4.

A good image of this target has always evaded me. This one has nice detail, but the colors seem a little strange to me. I don't know how other images show so much more red through the central region, even without any Ha signal.

1/1/2021 Update:
This is a re-process of previous data to fine tune some sharpening, and reduce star bloating.

9/10/2023 Update:
Additional processing of previous image to further sharpen, reduce stars, and boost fainter areas of nebula.