Technical facts about this news release:
| About the Object |
| Object Name: |
Comet 17P/Holmes |
| Object Description: |
Periodic Comet in our Solar System |
Position (J2000)
(on November 4, 2007): |
R.A. 03h 42m
Dec. +50° 37' |
| Constellation: |
Perseus |
| Orbital Properties: |
Comet 17P/Holmes has the following orbital values:
Aphelion distance: 5.2 Astronomical Units
Perihelion distance: 2.1 Astronomical Units
Semi-major axis: 3.6 Astronomical Units |
| Distance: |
On November 4, 2007, Comet 17P/Holmes was 1.62 Astronomical Units from the Earth, and 2.48 Astronomical Units from the Sun. |
|
| About the HST Data |
| Data Description: |
The Hubble image was created from HST data from proposal 11418: H. Weaver (Johns Hopkins University/Applied Physics Laboratory), C. Lisse (University of Maryland), P. Lamy (Space Astronomy Laboratory, Marseille), I. Toth (Hungarian Academy of Sciences), W. Reach and J. Vaubaillon (California Institute of Technology), and M. Mutchler (STScI). |
| Instrument: |
WFPC2 |
| Exposure Date(s): |
November 4, 2007 |
| Filters: |
F555W (V) and F675W (R) |
|
| About the Ground-based Observations |
| Data Description: |
The ground-based image of Comet 17P/Holmes was taken November 1, 2007, by astrophotographer Alan Dyer. The observations were made in southern Alberta, Canada with a 105mm apochromatic refractor at f/5 with a Canon 20Da camera at ISO400. Field is about 2.5 x 1.5 degrees. |
|
| About this Image |
| Image Credit: |
NASA, ESA, H. Weaver (Johns Hopkins University/Applied Physics Lab), and A. Dyer |
| Release Date: |
November 15, 2007 |
| Orientation: |
 |
|
