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Scope: Megrz II 80 mm APO at f/5.5; Location: Laguna
Mountains, CA; 6 June, 2008; Camera:
Canon XT 350D (Un-modified)
Exposure: 16 x 120 sec (no filters) ISO 800, 8 Darks, no Flats
Processing: Images were captured with DSLR Focus
and saved as RAW file format. 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.
Color saturation, and gamma adjustments also done in Iris. Image was saved as
Tiff. Final stretching and touch up was done in PhotoShop. Final Image size is approximately
3466x2301
North is to the right in this image. The image was taken with fairly good conditions at a
dark site. This is a guided image. This image features the high density of
stars in a small portion of then Sagittarius region. A dense cloud is seen in
the center of the image. There are two globular clusters (looking like fuzzy
stars) toward the upper center. The top most is NGC 6528 and the lower one is
NGC 6522. The bright star at the upper edge is Alnasl (HD 165135, SAO209696).
The dark patches in the image are regions of dust obscuring the starfield
behind. Horizontal FOV is
178'
Object Center is approximately - Equatorial 2000: RA: 18h 02m
07s Dec: -29°59'54"
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