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M13 is literally a swarm of stars gravitationally bound to each other estimated in the numbers well over 100,000. About 3.8 total hours of exposure LRGB composite.
OTA : Takahashi e-160
Mount : Takahashi EM-200 Temma2
Camera : SBIG ST-10XE (-20C)
Guide : ST-10XE Self-Guide
L : 100s x 3 frames (1x1)
R/G : 100s x 3 frames, B: 100s x 2 frames (1x1)
18 April 2009 YangPyung, S. Korea
An impressive LEGO display at Cantigny. A wide variety of themes including the second world war, contemporary urban, and classic television and movies.
lights 6 x 30s f/2.8 ISO 400
darks 10 x 30s ISO 400
offsets 10 x 1/8000s ISO 400
Flats 10 x 30s f/2.8 ISO 400
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The 6th Annual Sub-5 Ride for Parkinson’s is a life-changing event for those seeking a physical challenge while supporting the Davis Phinney Foundation’s mission “to help people with Parkinson’s disease to live well today.”
I was invited to photograph the Chinese New Year Celebration at Willow Creek Community Church, including Vovinam Chicago, traditional dance performance and martial arts demonstration.
Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster of about 300,000 stars in the constellation of Hercules.
M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is the variable star V11 with an apparent magnitude of 11.95. M13 is 25,100 light-years away from Earth.
Taken with:
Skywatcher 10" Quattro
NEQ6 mount
QHY5 guided on 10x50 finder
Camera: Caonon 60D
Unfiltered