Comet 154P/Brewington will make its closest approach to the Sun on 10 December, at a distance of 1.55 AU.
From Fairfield on the day of perihelion it will become visible at around 17:35 (EDT), 59° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:08.
The events that comprise the 2013–2014 apparition of 154P/Brewington are as follows:
| Date | Event |
| 10 Dec 2013 | Comet 154P/Brewington passes perihelion |
The table below lists the times when 154P/Brewington will be visible from Fairfield day-by-day through its apparition:
| Date | Constellation | Comet visibility |
| 19 Nov 2013 | Pegasus | Visible from 17:40 until 22:24 Highest at 18:08, 53° above S horizon |
| 21 Nov 2013 | Pegasus | Visible from 17:39 until 22:21 Highest at 18:03, 53° above S horizon |
| 23 Nov 2013 | Pegasus | Visible from 17:38 until 22:19 Highest at 17:58, 54° above S horizon |
| 25 Nov 2013 | Pegasus | Visible from 17:37 until 22:17 Highest at 17:54, 55° above S horizon |
| 27 Nov 2013 | Pegasus | Visible from 17:36 until 22:15 Highest at 17:49, 55° above S horizon |
| 29 Nov 2013 | Pegasus | Visible from 17:36 until 22:13 Highest at 17:45, 56° above S horizon |
| 01 Dec 2013 | Pegasus | Visible from 17:35 until 22:11 Highest at 17:41, 57° above S horizon |
| 03 Dec 2013 | Pegasus | Visible from 17:35 until 22:10 Highest at 17:37, 57° above S horizon |
| 05 Dec 2013 | Pegasus | Visible from 17:35 until 22:08 Highest at 17:35, 58° above S horizon |
| 07 Dec 2013 | Pegasus | Visible from 17:35 until 22:06 Highest at 17:35, 59° above S horizon |
| 09 Dec 2013 | Pegasus | Visible from 17:35 until 22:05 Highest at 17:35, 59° above S horizon |
| 11 Dec 2013 | Pegasus | Visible from 17:35 until 22:04 Highest at 17:35, 60° above S horizon |
| 13 Dec 2013 | Pegasus | Visible from 17:36 until 22:02 Highest at 17:36, 60° above S horizon |
| 15 Dec 2013 | Pegasus | Visible from 17:36 until 22:01 Highest at 17:36, 61° above S horizon |
| 17 Dec 2013 | Pegasus | Visible from 17:37 until 22:00 Highest at 17:37, 61° above S horizon |
| 19 Dec 2013 | Pegasus | Visible from 17:38 until 21:59 Highest at 17:38, 62° above S horizon |
| 21 Dec 2013 | Pegasus | Visible from 17:39 until 21:58 Highest at 17:39, 62° above S horizon |
| 23 Dec 2013 | Pegasus | Visible from 17:40 until 21:57 Highest at 17:40, 63° above S horizon |
| 25 Dec 2013 | Pegasus | Visible from 17:41 until 21:56 Highest at 17:41, 63° above S horizon |
| 27 Dec 2013 | Pegasus | Visible from 17:42 until 21:55 Highest at 17:42, 63° above SW horizon |
| 29 Dec 2013 | Pegasus | Visible from 17:44 until 21:54 Highest at 17:44, 63° above SW horizon |
A more detailed table of 154P/Brewington's position on each night is available here. A diagram of the orbit of 154P/Brewington is available here.
Finder chart
The chart below shows the path of 154P/Brewington over the course of its apparition, as calculated from the orbital elements published by the Minor Planet Center (MPC). It is available for download, either on dark background, in PNG, PDF or SVG formats, or on a light background, in PNG, PDF or SVG formats. It was produced using StarCharter.
Comet brightnesses
Comets are intrinsically highly unpredictable objects, since their brightness depends on the scattering of sunlight from dust particles in the comet's coma and tail. This dust is continually streaming away from the comet's nucleus, and its density at any particular time is governed by the rate of sublimation of the ice in the comet's nucleus, as it is heated by the Sun's rays. It also depends on the amount of dust that is mixed in with that ice. This is very difficult to predict in advance, and can be highly variable even between successive apparitions of the same comet.
In consequence, while the future positions of comets are usually known with a high degree of confidence, their future brightnesses are not. For most comets, we do not publish any magnitude estimates at all. For the few comets where we do make estimates, we generally prefer the BAA's magnitude parameters to those published by the Minor Planet Center, since they are typically updated more often.
No estimate for the brightness of comet 154P/Brewington is currently available.
The comet's position at perihelion will be:
| Object | Right Ascension | Declination | Constellation | Magnitude |
| Comet 154P/Brewington | 22h51m40s | 11°04'N | Pegasus | 9.9 |
The coordinates are given in J2000.0.
The sky on 27 Apr 2024
| The sky on 27 April 2024 | ||||||||||||||||||||||||||||||||||
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83% 19 days old |
All times shown in EDT.
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Source
This event was automatically generated on the basis of orbital elements published by the Minor Planet Center (MPC) , and is updated whenever new elements become available. It was last updated on 02 Jan 2024.
Image credit
© Andy Roberts 1997. Pictured comet is C/1995 O1 Hale-Bopp.