Subject: M45 -- Pleiades

Image FOV: 3 degrees by 2.25 degrees (180 minutes by 135 minutes)
Image Scale: 6.666 arc-second/pixel
Date: 2008/10/03, 2008/10/23
Exposure: 44 x 10minutes = 7h20m total exposure, ISO 800, f/4.8
Filters: IDAS LP filter
Camera: Hutech-modified Canon 30D
Telescope: SV80S 80mm f/6 + TV TRF-2008 0.8X reducer/flattener = 384mm, f/4.8
Mount: Astro-Physics AP900
Guiding: ST-402 autoguider through SV66 guidescope, MaximDL autoguiding software with 5-second and 6-second guide exposures

Processing: Raw conversion and calibration with ImagesPlus; Aligning and combining with Registar; levels, unsharp mask, color balance, cropping and JPEG conversion with Photoshop CS. No noise reduction.

Remarks: Temperature at end: 30F on 2008/10/03, 18F on 2008/10/23; SQM-L readings: 2008/10/03 -- 21.27 start, 21.33 end; 2008/10/23 -- 21.33 start, 21.40 middle, 21.24 end (crescent moonrise)