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October 2013
Comet ISON is making its way toward the sun. ISON is still reasonably healthy at its current state. Between November 2 and 15 Comet ISON should continue to brighten. There are observation reports that ISON is currently visible in 10×50 binoculars. — Oct. 31st
Follow on Twitter @cometisonnews for the latest updates & photos.
Remarkable Days
1 – Comet ISON passes by Mars
2 – Comet ISON captured by HiRISE
3 – Comet ISON imaged by Mobberly & Paul
3, 4, 5 – Comet ISON imaged by Jäger, Ligustri, Rhemann, & Howes
6, 7, 8 – Comet ISON imaged by Block, Mobberley, Howes, Guido, Nicolini, Holloway, Mark, Rivera, & Brimacombe
9, 10, 11 – Comet ISON imaged by Mobberley, Lawrence, Howes, Kato, Diepvens, & Degroff
10 – Comet ISON reaches the STEREO HI2-A field-of-view (not much to look at)
11 – Triple shadow transit of Jupiter. Io, Europa, and Callisto will cast their shadows onto Jupiter from 4:32-5:37 UTC.
12 – Comet ISON, Mars & Regulus captured by Mrozek
13 – Comet ISON imaged by Jäger
14, 15 – Comet ISON, Mars & Regulus put on an early morning appearance in telescopes
16, 17, 18, 19 – Comet ISON imaged by Mobberley, di Carlo, Fong, Jäger, Kugel, Marshall, Broussard, Lafferty, Bosch, et al.
18/19 – Penumbral lunar eclipse (Saros 117) visible from the Americas (for the end), Europe, Africa, and most of Asia (the beginning of the eclipse will be visible in east Asia). It will last 239 minutes, from 21h51 to 01h50 UTC. Maximum eclipse will occur at 23h51 UTC.
24 – Comet ISON reaches in STEREO HI1-B field-of-view
26 – Comet ISON update for October 26th
27 – Comet ISON captured by Justin Ng (video)
DATE | DISTANCE FROM SUN (AU) | DISTANCE FROM EARTH (AU) | NOTES | OTHER |
|---|---|---|---|---|
| 31 | 1.021 | 1.259 | Halloween | |
| 1 | 1.651 | 2.151 | ISON flys by Mars | 10.8 million km from the Martian surface |
| 2 | 1.632 | 2.122 | ||
| 3 | 1.613 | 2.092 | ||
| 4 | 1.594 | 2.062 | ||
| 5 | 1.575 | 2.033 | ||
| 6 | 1.556 | 2.003 | ||
| 7 | 1.536 | 1.973 | ||
| 8 | 1.516 | 1.943 | ||
| 9 | 1.497 | 1.913 | Enters STEREO/SECCHI HI-2A | |
| 10 | 1.477 | 1.883 | ||
| 11 | 1.457 | 1.853 | ||
| 12 | 1.823 | 1.823 | ||
| 13 | 1.416 | 1.793 | ||
| 14 | 1.396 | 1.763 | ||
| 15 | 1.375 | 1.733 | ||
| 16 | 1.355 | 1.702 | ||
| 17 | 1.334 | 1.672 | ||
| 18 | 1.313 | 1.642 | ||
| 19 | 1.292 | 1.612 | ||
| 20 | 1.27 | 1.582 | ||
| 21 | 1.249 | 1.552 | ||
| 22 | 1.227 | 1.522 | ||
| 23 | 1.205 | 1.492 | ||
| 24 | 1.183 | 1.462 | ||
| 25 | 1.16 | 1.433 | ||
| 26 | 1.138 | 1.403 | ||
| 27 | 1.115 | 1.374 | ||
| 28 | 1.092 | 1.345 | ||
| 29 | 1.069 | 1.316 | ||
| 30 | 1.045 | 1.287 |