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m20
(Trifid Nebula)

Click on photo for a larger image.
Instrument:
Meade 178ED 7" Apochromatic Refractor Telescope
Focal Ratio:
f9 (prime focus)
Camera:
SBIG STL-11000 CCD camera
(See product review in July, 2004 issue of Sky & Telescope magazine.)
Exposure:
10 x 1 minutes Luminance, 6 x 1 minutes each R/G/B, all unbinned
Guiding:
Off-Axis with STV Autoguider (Santa Barbara Instrument Group)
(See product review in May, 2003 issue of Astronomy magazine.)
See Photo/Guiding Equipment.
Date:
6/21/04
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS