M42 Combination of H-Alpha and normal exposures on 2 days

M42 Combination of H-Alpha and normal exposures on 2 days(Gerald Wechselberger)

Title : M42
Upload date : Sat Jan 1 15:03:07 2005
Image size : 640 x 468 (50k)
Acquisition Date : December 9th and 12th 2004
Camera : Canon 10D
Raw images
Camera Settings : 1600ASA, 7x16 Minutes, + 8x4 Minutes +4x30 Seconds + 7x10 Seconds exposed with LPR and Minus Violett Filter.
4x16 Minutes and 4x2 Minutes exposed with H-Alpha Filter.
Telescope : Canon 800mm F5.6 Telelens
Mount : Paramount ME
Adapter / Prime / Afocal / other : Prime Focus of Canon Telelens
Processing Package / Processing Applied : With Imageplus 1.72 Flatfield, darkframesubtraction, registration and stacking.
With Photoshop final improvements
Web Site : www.werbeagentur.org/oldwexi/index
NOTES : Total Exposure time 220 Minutes plus
additional darkframes.

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