Horsehead M33
The Pinwheel Galaxy

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(Move your mouse over image to see the original image before the new Photoshop techniques)

Date: November 6, 2001
Exposure: LRGB 110:40:40:64 : 11 x 600s L, 4 x 600 each R, G, and 4 x 960 B
Processing: MaxIm for Image calibration,(12 flats each LRGB, dark subtracted and median combined, 16 bias frames median combined, 10-600s darks median combined, and 8-960s darks median combined),alignment, normalization, color combining, mild DDP, unsharp and stretch. Photoshop for final color balance and jpg conversion.
Conditions: Average, Mag 3-4 Skies
Scope: Vixen 102mm Flourite @ f/9
Camera: SBIG ST-8E, CFW-8 IR Blocking RGB filters, -25°
Comments: This is my first image with my recently acquired ST-8E and new CFW-8. The greater dynamic range of this camera seem to bring out more detail in images of the same duration over the ST-237A. All equipment on a CI700/SkyWalker/2 upgraded EQ Mount. Reprocessed on 04/19/03 with new techniques learned from Ron Wodaski's CCD image camp at New Mexico Skies.