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Scope: C8 f/7.5; Location: Del Mar, CA; 17 May. 2008; Camera:
Canon XT 350D (Un-modified)
Exposure: 17 x 30 sec (no filters) ISO 800, 6 Darks, no Flats
Processing: Images were captured with Images Plus Camera Control (Demo)
and saved as RAW. Images were decoded and dark corrected in IRIS. Images were
Aligned and stacked in IRIS with Sigma Median. Dark point equalization and rough
color balance was done in IRIS along with a Central gradient removal.
Color saturating, and gamma adjustments also done in Iris. Image was saved as
Tiff. Final stretching and touch up was done in PhotoShop. SGBNR was used for a
light background noise reduction.
Final Image size is approximately 3195x2176
North is up in this image. The image was taken with fairly good conditions at a
light polluted site. This is a guided image. M3 is one of the more outstanding globular
clusters - it contains an estimated half million stars and is estimated to be
about 34,000 light years distant. This image complements a CCD image with the
Artemis285 Camera that can be seen here . Horizontal FOV is
Object Center is approximately - Equatorial 2000: RA: 13h 42m 11s Dec: +28°22'34"
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