Hemisphere:  Northern  ·  Constellation: Draco (Dra)  ·  Contains:  Solar system body or event
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Front of Garradd tails, 


            José J. Chambó
Front of Garradd tails
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Technical card

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: PHD guiding  ·  DeepSkyStacker  ·  PixInsight LE  ·  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

Basic astrometry details

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)


Sky plot

Sky plot


Front of Garradd tails, 


            José J. Chambó