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  Summary: Comet 17P/Holmes shocked astronomers on Oct. 24, 2007, with a spectacular eruption. In less than 24 hours, the 17th magnitude comet brightened by a factor of nearly a million becoming a naked-eye object in the evening sky. Look for a golden 2.5th magnitude fuzzball in the constellation Perseus after sunset. [sky map] [ephemeris] [3D orbit]
 
  Photographer, Location Images Comments


Odd Høydalsvik,
Bergen, Norway
Oct. 25, 2007
#1, more

Very strange comet indeed. The picture was taken at Sandsli outside Bergen, Norway. October 25, 2007, 20:29 UT+2. Conditions: Thin clouds. Camera: Canon EOS 30D. Telescope: William Optics ZenithStar 80 II ED APO refractor Exposure: 1 sec, f6.8, at 800 ISO, 5 exposures aligned and stacked manually in PhotoShop CS2.


Ilia Teimouri,
Tajrish,Tehran,Iran
Oct. 25, 2007
#1, more

I can say this comet is just extra amazing. This is very big, bright and beautiful. I found and captured image easily with much light pollution, in Tehran city. I captured these image with Canon EOS 20D, EQ6 mount and Meade 8" Telescope and edited with Photoshop CS2, also I took nebula-broadband filter for better resolution. You can see this comet with the naked-eye when the great moon in the sky.


Jack Dembicky,
Sunspot, New Mexico, USA
Oct. 25, 2007
#1

Taken with SPIcam on the ARC 3.5m Telescope at Apache Point Observatory 1sec exposure each in MSSSO RGB filters


Jimmy Westlake,
Stagecoach, Colorado USA
Oct. 25, 2007
#1, #2, #3, more

Holy smoke! This is one of the weirdest things I've ever seen. Reminiscent of Comet IRAS-Araki-Alcock back in '83, yet strangely different. I wonder what it will do next? All images made with a Fuji FinePix S2 digital camera at ISO 400. #1 with 54 mm lens at f4, 64 sec exposure, 12:16 AM MDT #2 with 300 mm lens at f4, 62 sec exposure, 12:25 AM MDT #3 with 2100 mm 11" telescope at prime focus, 20 sec exposure, 12:41 AM MDT


Chris Schur,
Payson, Arizona
Oct. 24, 2007
#1, #2, more

The comet was bright yellow with a green halo, very bright in viewfinder. taken with 12.5" f/5 newtonian and Canon XTi.


Chris Peterson,
Guffey, Colorado, USA
Oct. 25, 2007
#1, more

These images were made with a Canon 300D at ISO 200 on a 12" LX200. The left side is a 1-sec exposure and shows the sunlight illuminated central coma, very much as it appeared visually. The right side is a 5-min exposure that shows the glowing ionized gas in the outer coma.


Mick Benedetti,
Mackay, Queensland, Australia
Oct. 26, 2007
#1, more

I was able to observe this comet at 2:00am, it has no visible tail but with a near full moon I didn't expect to see one. It is planet like with a yellowish colour, a very easy naked eye object to view even with strong moon light. It was a beautiful sight from tropical North Queensland. I snapped the attached photo with my Nikon coolpix 4500.


Michel Renaud,
Laval Observatory (Quebec, Canada)
Oct. 24, 2007
#1, #2, #3, #4, more

After our regular astronomy meeting, members of our club went to our Laval Observatory to see this comet. Fantastic event... WOW ! Easy to target.


Philip Good,
Denver, Colorado, USA
Oct. 25, 2007
#1, more

Between 11 PM when I went to bed and 4 am when I got up the comet seemed to have grown by about 25%. Imaged with a Stellarvue SV115 APO refractor and SBIG ST-10XME CCD Camera. 40 image each LRGB of 1.5 seconds each.


Alan Friedman,
Buffalo, NY
Oct. 25, 2007
#1, more

In my 92mm refractor, 17P/Holmes has the look of a planetary nebula. In my 10" its core and coma are easily seen. It shows a golden color - like polished bronze.


David Cardeñosa,
Arroyo de la Encomienda, Valladolid, Spain
Oct. 24, 2007
#1, #2,

Pictures taken with Celestron C8 SC, EQ6 mount. Camera Philips SPC900. Procesed with registax. Fixed picture taken at 22:15UT Animation from 21:45UT to 22:30UT, show a bit size change.

more images (Oct. 24): from Joe Gafford of Denver, Colorado; from Anthony Arrigo of Park City, Utah; from Jeremy Perez of Flagstaff, Arizona; from John C McConnell of Maghaberry Northern Ireland; from Malcolm Park of Whitby Ontario Canada, east of Toronto; from Bob Minor of Berkeley, California; from Brenda Culbertson of the Crane Observatory, Washburn University, Topeka, Kansas; from Tomasz Adam of Staszów, Poland; from Philippe Boeuf of Near Carcassone, south of France.