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At magnitude 7.6 this globular cluster in Ophiuchus is quite a bit dimmer
than other globulars in the Messier catalog. It's about 33,000 light
years distant and about 112 light years in diameter.
Back to Messier Gallery
Date: 9/29/2008
Location:
Okie-Tex Star Party
Telescope: LX200 10" SCT @ f/6.3
Mount: AP-1200 GTOCP3
Camera: Hutech Modified
Canon 350D @ ISO 800
Exposure Count: 6 x 5 min, 30 minutes total
exposure
Guiding: SBIG ST402ME, CCDSoft
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Post Processing: |
ImagesPlus: Dark and flat calibration, align and
combine, digital development
Photoshop CS2: Smart sharpen, levels
NeatImage: Noise reduction
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