Contains:  Comet, C/2009 P1 Garradd
Front of Garradd tails, 


            José J. Chambó

Technical card

Resolution: 1280x850

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

Locations: Vallés - Valencia (Spain), Vallés, Valencia, Spain

Data source: Unknown


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)



José J. Chambó
License: Attribution-NonCommercial-NoDerivs Creative Commons


Front of Garradd tails, 


            José J. Chambó