SN2007J in UGC1778
30x120sec
half frame crop
17.2 mag
Image by D. T. Durig
Cordell-Lorenz Observatory
Sewanee, TN
Image uploaded on: 2007-01-20 19:56:29
GRB061217 7.2x7.2 arc min FOV.
25x120sec exposures co-added.
Possible afterglow at
RA 10 41 40.7 DEC -21 08 50 +/- 2 arc sec
at about 20 +/- 0.5 mag
Image uploaded on: 2006-12-17 06:21:00
Animation of single 10 second long exposures, taking every 10th frame. In these individual images features can be seen moving along the tail, blown by the solar wind away from the comet.
Images by Dr. D. T. Durig
Image uploaded on: 2006-10-26 21:58:46
Stack of 30x10sec images of Comet SWAN 2006 M4 from 10/25 UT near 0 h. Jets and streamers show averaging from motion during stack.
Image by Dr. D. T. Durig
Image uploaded on: 2006-10-26 21:56:54
New 17th mag comet in Gemini
P/2006 U1 ????
Stacks of 20x30sec, stacked with object motion vector.
Tail is longer than 10 arc minutes in longer stacks and just about crosses frame in images shown here.
Image by Dr. D. T. Durig
Image uploaded on: 2006-10-21 06:11:36
Comet Levy 2006 T1
2006 Oct 5 ~9:30 UT
120x30 sec exposures stacked on comet's motion vector.
Total Mag about 11.1
Image uploaded on: 2006-10-05 06:14:54
Comet SWAN 2006 M4
2006 Oct 5 ~10:35 UT
40x30 sec exposures stacked on comet's motion vector.
Total Mag about 7.1
Image by D. T. Durig
Image uploaded on: 2006-10-05 06:13:22
Comet SWAN 2006 M4
2006 Oct 4 ~10:30 UT
17x30 sec exposures stacked on comet's motion vector.
Total Mag about 6.6
Notice the nice forked structure in the tail !
Image by D. T. Durig, E. J. Wilson and P. A. Hiller.
Image uploaded on: 2006-10-04 06:07:52
Comet SWAN 2006 M4
2006 Oct 3 8:20 UT
14 x 30 sec exposures tracked on the comet so stars are streaks. Coming soon to an evening sky near you !
Image uploaded on: 2006-10-03 05:57:01
Comet SWAN 2006 M4
2006 Sept 29 ~10 h 30 m UT
20 x 30 sec stacked on comet
Total Mag ~7.2
Rotated CCW so North is left and East is down.
Image uploaded on: 2006-09-30 04:32:19