17P/Holmes

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17P/Holmes is a periodic comet.

Contents

[edit] 2007 outburst

[edit] Location of comet in 2007

Motion viewed from Earth
Comet Holmes trajectory TLR1.gif
The comet's retrograde path in Perseus during July 2007 – March 2008. (Dates given every 14 days)
Location of comet from Earth (45N, 8PM, Oct 30, 2007)
File:Comet Holmes sky Oct 30 2007.png
The comet looks like a bright star in early evening, in the constellation Perseus and above the bright star Capella. In binoculars or a small telescope, it resembles a round fuzzy ball.
Motion viewed from space
Comet Holmes orbit 2007.gif
17P/Holmes is a periodic comet in an inclined and elliptical orbit between Mars and Jupiter.[1]
The comet was closest to the sun on May 4, 2007, and has been moving slowly away from the sun in an elliptical orbit.

[edit] Composite gallery

Motion with expanding dust cloud
Comet Holmes simulation 120 days.gif
A simulation showing the angular diameter of the expanding dust cloud for 120 days past the initial event on October 24. The surface brightness will continue to decrease over time.
Photo composite
17P Holmes Composite19 Nup.jpg
A composite of Comet Holmes photos showing the comet's size and motion in the constellation Perseus from October 25, 2007 through March 9, 2008.

[edit] Wide angle photo gallery

Comet 17P Holmes October 31 2007.jpgComet 17P Holmes October 31 2007 starmap.gif

October 31:
(140mm) - Comet is in center

Holmes Comet on 11-20-07 from san francisco.jpg

November 20:
With Canon XTI 55 mm f5.6, ISO 1600 for 17" from San Francisco

Comet hlmes from san francisco on 1-12-08.jpg

January 12, 2008:
17P/Holmes

[edit] Telescopic photo gallery

Oct 25:
Cloudbait Observatory, Guffey, Colorado[2]
(5.1" square)

Oct 26:
4.5" (114mm) telescope
Flintstone, Georgia

Oct 27:
14.5" (370mm) Dobson

Oct 30:
19" reflector
Torquay, UK

Oct 31:
8" telescope + EOS400D
Barcelona, Spain


8" telescope + EOS400D
Barcelona, Spain. Shows the comet movement over the stars background for 50 minutes. Changes on brightness are due to different exposure times on each image.

Nov 2:
300mm telelens, Auvergne, France


Starmaster 14.5"
Divide, Colorado

Nov 4:
Hungary

Nov 7:
10" Schmidt-Newtonian
Brevard County, Florida

Nov 10:
Nikon 400 mm f/2.8
on CG-5, BW film
Albuquerque, New Mexico

Nov 13:
Marshall Twp, Pennsylvania

Nov 14:
With Alpha Persei association, Canon 20d with 400mm f/2.8 telephoto on Meade LXD-55

Nov 15:
Torquay, UK

Nov 18:
Nikon 400 mm f/2.8 on CG-5
Elite Chrome 100 slide film
West of Rio Rancho
New Mexico

Nov 29:
Marshall Twp, Pennsylvania

Dec 14:
Unprocessed single frame from Canon 5D / Canon 400 mm f/2.8 telephoto on Meade LXD-55

Dec 30:
Unprocessed single frame from Canon 5D / Canon 400 mm f/2.8 telephoto on Meade LXD-55


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