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Imaging cameras: ZWO ASI071MC-Cool
Mounts: Mountain Instruments MI-250
Guiding telescopes or lenses: Meade LX200 14" ACF
Guiding cameras: Lodestar
Focal reducers: Optec Lepus 0.62x Telecompressor
Software: PixInsight · Interactive Astronomy Sky Roof · Interactive Astronomy Sky Alert · PHD2 Guiding · Sequence Generator Pro
Dates:May 25, 2017 , June 16, 2017 , June 17, 2017 , June 20, 2017 , June 21, 2017 , June 22, 2017
Frames:
74x120" (gain: 0.00) -10C
76x60" (gain: 0.00) -10C
Integration: 3.7 hours
Avg. Moon age: 25.33 days
Avg. Moon phase: 23.79%
Astrometry.net job: 1682990
RA center: 18h 53' 37"
DEC center: +33° 2' 6"
Pixel scale: 1.456 arcsec/pixel
Orientation: -101.547 degrees
Field radius: 0.301 degrees
Resolution: 1260x794
Locations: William J. Maloney Observatory, Pontotoc, Texas, United States
This is Messier 57 also known as the Ring Nebula as everyone knows. I only went with subs of 2-minutes maximum but I regret this as I noticed I was obtaining a ring of nebulosity outside of the ring. It is very faint but had I shot some longer exposures it would have shown up clearly. That is a challenge for another year. :-)
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