Tuesday, January 15, 2008

M81 Spiral Galaxy

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©2007 Richard Murray

Full Size Image

Notes: Ok, here is the color version of the image posted several days ago. This is an LRsGB image with the sG meaning 'synthetic green' as no green filter was actually used during imaging.

Imaging Details:

Date: 1-11-08
Object: M81 Spiral Galaxy
Telescope: Takahashi TOA 150 (GRAS3)
Mount: Paramount ME
Camera: SBIG ST-10 XME ABG
Filter: Clear
Exposure: Luminance-25 min [5 min subs], Red-9 min (3 min subs),
Blue-9 min. (3 min subs)
Processing: CCDStack, Photoshop CS2, PixInsight
Location: GRAS Observatory, Mayhill, NM

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