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Imaging telescope or lens:William Optics FLT 110
Imaging camera:SBIG ST-10XME
Guiding telescope or lens:William Optics zenithstar 1 80x480
Dates:Aug. 9, 2015
Frames: 84x540" -7C
Integration: 12.6 hours
Flat darks: ~25
Avg. Moon age: 24.63 days
Avg. Moon phase: 24.85%
Bortle Dark-Sky Scale: 9.00
Astrometry.net job: 1031987
RA center: 18h 2' 22"
DEC center: -23° 2' 34"
Pixel scale: 1.818 arcsec/pixel
Orientation: -178.422 degrees
Field radius: 0.628 degrees
Locations: Via Lactea Observatory, Paramithia, Epirus, Greece
Data source: Backyard
The Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514) is an H II region located in Sagittarius. It was discovered by Charles Messier on June 5, 1764. Its name means 'divided into three lobes'. The object is an unusual combination of an open cluster of stars; an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (the apparent 'gaps' within the emission nebula that cause the trifurcated appearance; these are also designated Barnard 85). Viewed through a small telescope, the Trifid Nebula is a bright and peculiar object, and is thus a perennial favorite of amateur astronomers.
From Wikipedia, the free encyclopedia
Photographic shots were completed in the period from 14 June to 6 August and needed a total of 7 nights.
Unfortunately, in all the shots I had problem with passing clouds and high humidity .
Instruments and exposure data:
W.O FLT110 with dedicated TMB field flattener
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Filters: Ha 5nm Astrodon_S[II] 8nm Baader_O[III] 3nm Astrodon
Sky-Watcher EQ6 Pro
Total exposure time:12h 36min
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