Imaging telescope or lens: Celestron C1100 Edge HD + Hyperstar
Imaging camera: QHYCCD qhy23
Mount: Celestron CGEM DX
Guiding telescope or lens: Astro-Tech AT65EDQ 65mm f/6.5 ED quadruplet #2
Guiding camera: QHY5L-II Mono
Focal reducer: Starzona Hyperstar
Integration: 1.7 hours
Avg. Moon age: 13.96 days
Avg. Moon phase: 26.01%
Bortle Dark-Sky Scale: 4.00
Mean SQM: 20.35
Astrometry.net job: 1116264
RA center: 271.045 degrees
DEC center: -24.351 degrees
Pixel scale: 1.374 arcsec/pixel
Orientation: 7.222 degrees
Field radius: 0.790 degrees
The Lagoon Nebula is 8 in Charles Messier's "not a comet" list, 25 in the Sharpless catalog and 6523 in the New General Calalog.(NGC) It is a cloud of ionized hydrogen estimated to be 4000-6000 light years from earth. It can be seen with the naked eye as a gray/green patch in the constellation of Sagittarius..Almost in the center of the photo can be seen NGC 6530, an open cluster of young stars formed from material within the nebula. The entire nebula is roughly 110 x 50 light-years wide.
This is a LRGB filtered image taken with a QHY23M mono CCD camera and an 11" Celestron EdgeHD w/Hyperstar on May 31 & June 9, 2016
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