Imaging telescopes or lenses: GSO Newton 8" f/4
Imaging cameras: Canon EOS 350D / Digital Rebel XT
Mounts: LXD75
Guiding telescopes or lenses: Bresser Skylux 70/700
Guiding cameras: Meade DSI
Software: DeepSkyStacker · PixInsight LE · PHD guiding · APT - Astro Photography Tool
Accessory: Teleskop-Service Coma Corrector
Dates:Feb. 19, 2012
Frames: 1x216" ISO400
Integration: 0.1 hours
Darks: ~10
Flats: ~10
Bias: ~100
Avg. Moon age: 27.13 days
Avg. Moon phase: 6.39%
Bortle Dark-Sky Scale: 5.00
Mean SQM: 19.10
Mean FWHM: 4.20
Temperature: 5.00
Astrometry.net job: 3476039
RA center: 16h 35' 30"
DEC center: +56° 15' 0"
Pixel scale: 4.890 arcsec/pixel
Orientation: 356.198 degrees
Field radius: 1.044 degrees
Resolution: 1280x850
Locations: Vallés - Valencia (Spain), Vallés, Valencia, Spain
Because of it is approaching another time to us, the comet Garradd has increased meaningfully your size and brightness, reaching 6.5 magnitude and becoming observable at naked eye from very dark sites. Photographically your image shows clearly your both tails, of whitish dust and bluish gas, completely opposite one direction contrary to other, because of our viewing angle.
More info into the Blog C O M E T O G R A F I A (in Spanish)
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