I was looking at a Nasa pic of the day today and the wonderful image was of of the heavenly interloper Comet Garradd. The image was taken on Feb 24th http://apod.nasa.gov/apod/ap120303.html and shows a 2nd Ion tail. My image of the comet was taken on the 22nd Feb and my previous pic was a stacked image using deep sky stacker aligning on the comet and tracking the stars.I see no sign of a 3rd tail. I reprocessed stacking the comet only and allowed the stars to trail. To my amazement I could see the hint of a newly formed Ion tail. I have not seen the tail on images prior to this so I may have captured the first jets of plasma as they slam into the magnetic fields in the solar wind.
Showing posts with label Comet 2001 P1 Garrad. Show all posts
Showing posts with label Comet 2001 P1 Garrad. Show all posts
Saturday, 10 March 2012
Thursday, 23 February 2012
Comet 2009 P1 Garradd
I had a great night Saturday night. Typical thought just had a week off for half term. and I have to return to work on Sunday so It's up at 6.00 ish. I finally rolled closed the roof at 02.30 and into bed by 02.45. I found it difficult to sleep as all I could see was the lovely comet Garradd. I swear I could almost see it moving in the eyepiece. It certainly did move over a period of an hour. I used Deep Sky Stacker to stack comet and stars. So there is a bit of noise present. None the less I just love the 2 tails. It was almost 3D looking at it through a 25mm 2" eyepiece on the 90mm refractor. So a stack of about 47 Minutes Iso1600. No dark calibration. Just a ddp stretch and a colour boost.
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