AstroBin Questions
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Imaging telescopes or lenses: Astro-Tech AT65E
Imaging cameras: Atik 314E
Mounts: Losmandy G11
Guiding telescopes or lenses: Orion ShortTube 80 f/5
Guiding cameras: Orion Star Shoot Planetary Imager & Autoguider
Software: DeepSkyStacker, PixInsight, ESA/ESO/NASA NASA Fits Liberator, Stellarium, PHD guiding, Artemis Capture, Niels Noordhoek Bahtinov Grabber, The New CCD Astronomy CCD Calc, CCDWare Weather Ninja
Filters: Astronomik CLS CCD Filter
Accessories: Celestron T-Adapter , Baader Planetarium VariLock T2 Extension Tube, Baader Planetarium T-Thread Extension, ADM Side by side plate, William Optics 2" Photo Adapter
Resolution: 1360x1030
Dates: June 9, 2012
Locations: My Back Yard
Frames: 32x300"
Integration: 2.7 hours
Avg. Moon age: 19.76 days
Avg. Moon phase: 74.36%
RA center: 20:12:15.645
DEC center: +38:19:22.021
Pixel scale: 2.28 arcsec/pixel
Orientation: 90.74 degrees
Field width: 51.65 arcminutes
Field height: 39.21 arcminutes
The Crescent Nebula (NGC6888)
The Crescent Nebula lies around 5,000 light years from earth. The nebula most likely formed when the central Wolf-Rayet star's massive stellar wind compressed the surrounding gas and dust in these complex patterns starting around 250,000 years ago.
