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Comets - 2008

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Comet Images (2008) This page summarises observations and images of comets in 2008
8P/Tuttle (Dec 2007-Jan 2008)
17P/Holmes  (Oct 2007 - Feb 2008)
46P/Wirtanen (Feb-Mar)
C/2008 C1 (Chen-Gao) (Mar)
C/2005 L3 (McNaught) (May)
C/2008 J1 (Boattini) (May)
C/2007 W1 (Boattini) (Sep)

 

Comet 8P/Tuttle

Comet 8P/Tuttle  - 2008-01-07
passing through starfield in Andromeda
CCD Image 
3 x 30s exposure , 2x2 binning, C Filter
Aligned on comet
2008-01-07 19:56h UT (#251042-50)

   

Comet 8P/Tuttle - colour image
Approximate Colour CCD Image  (CBVR)
Luminance : av 3x 30s (C),
Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 3 x 60s (B)
2008-01-07 19:56h UT (#251042-53)

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Comet 17P/Holmes 

Comet 17P/Holmes, 2008-01-11
passing through starfield in Perseus
 Central Coma much faded compared to Oct-Nov 2007
 
CCD Image (50% size)
5  x 60s exposure (av. combine), 1x1 binning, C Filter
2008-01-11 00:58h UT (#252361-65)

     

Comet 17P/Holmes,  2008-01-25
 passing through starfield in Perseus
 Central Coma much faded compared to Oct-Nov 2007
 
CCD Image 
3  x 120s exposure (av. combine), 2x2 binning, C Filter
2008-01-25 18:55h UT (#258042-44)

     

Comet 17P/Holmes,  2008-02-05
  passing through starfield in Perseus
 Central Coma much faded compared to Oct-Nov 2007
 
CCD Image 
3  x 90s exposure (av. combine), 2x2 binning, C Filter
2008-02-05 00:58h UT (#260074-76)

     

Earlier Image of Comet 17P/Holmes (Nov 2007)
 Central Coma much brighter back in Nov 2007
CCD Image (50% size), Linear Scale
7 x 60s exposure (av. combine), 1x1 binning, C Filter, 
2007-11-28 20:57h UT (#237051-57)
 

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Comet 46P/Wirtanen

Comet 46P/Wirtanen,  2008-02-24
( passing through starfield in Aries)
 
Annotated CCD Image 
120s exposure , 2x2 binning, C Filter
2008-02-24 22:16h UT (#268164)
 
Comet 46P/ Wirtanen  - detail
 
Annotated CCD Image 
5 x 120s exposure (av. combine), 2x2 binning, C Filter
2008-02-24 22:18h UT (#268163-67)
 

Comet 46P/Wirtanen  
(passing through starfield in Aries)
 
CCD Image 
2  x 120s exposure (av. combine), 2x2 binning, C Filter
2008-02-27 19:42h UT (#270035-36
 

Comet 46P/Wirtanen, 2008-03-08
(passing through starfield in Taurus)
 
CCD Image
5  x 60s exposure (av. combine, aligned on comet) 
2x2 binning, C Filter
2008-03-08 19:54h UT (#274019-23)
 

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C/2008 C1 (Chen-Gao)

Comet C/2008 C1 (Chen-Gao)
passing through starfield in Auriga
CCD Image
5 x 60s exposure (average combine), 2x2 binning, C Filter 
2008-03-30 21:21hUT (#278067-71)
 
Comet C/2008 C1 (Chen-Gao) - detail

 

CCD Image 
5 x 60s exposure (average combine, aligned on comet),
Image details as above
  

Pair of images illustrating motion of C/2008 A1 (Chen-Gao)
over a period of one hour.

 
CCD Images
5 x 180s exposure (average combine), 2x2 binning, C Filter
Top: 2008-03-30 21:21hUT (#278067-71)
Bottom: 2008-03-30 21:23hUT (#278113-17)

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C/2005 L3 (McNaught) - May

C/2005 L3 (McNaught) - 2008-05-08
(passing through star field in Hercules)
Annotated CCD Image
180s exposure, 2x2 binning, C Filter 
2008-05-08 23:14 hUT (#287052)

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C/2008 J1 (Boattini) - May

C/2008 J1 (Boattini) - 2008-05-18
passing through starfield in Vulpecula
Annotated CCD Image
3 x 120s (average combine), 2x2 binning, C Filter
2008-05-18 00:47hUT (#288113-15)

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C/2007 W1 (Boattini) - August

C/2007  W1 (Boattini) - 2008-08-26
passing through starfield in Aries
Annotated CCD Image 
3 x 120 sec exposure (average combine), 2x2 binning, C Filter
2008-08-26 01:47 UT (#297250-52)

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This Web Page: Comet Images - 2008
Last Updated : 2008-08-31
Site Owner : David Richards
Home Page : David's Astronomy Web Site