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Update on comet C/2009 P1 (Garradd)

9 Aug 2011, 15:31 UTC
Update on comet C/2009 P1 (Garradd)
(200 words excerpt, click title or image to see full post)

BBC Television in collaboration with Faulkes Telescope and LCOGT.NET today imaged C/2009 P1. The images have been taken with the 2.0 meters "Faulkes Telescope North" by D. Obriain, BBC Television presenter. The BBC were allocated time on FT North (F65) as part of a new Citizen Science project.

We accessed with permission the resultant FITS data and our team processed the V channed with a few algorithms (the R and B fits have the comet a little trailed, so they were not usable for this purpose). We have detected hints of a plume-like feature exiting from the central condensation. This might be related with the sublimation processes within the inner coma/nucleus of the comet (asymmetric gaseous emissions toward the Sun + line of sight effect). It's an effect frequently seen in active comets near enough to be resolved.

Click on the image for a bigger version (details are in the caption)

Click here to see another image taken by Faulkes North on July 29, 2011:

For more information see also our post dated August 2009, with our confirmation image of this object:


by N. Howes, H. Blyth, G. Sostero and E. Guido

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