Comet 96P/Machholz passes perihelion

Dominic Ford, Editor
From the Comets feed


Comet 96P/Machholz will make its closest approach to the Sun on 12 July, at a distance of 0.12 AU.

From Fairfield on the day of perihelion it will not be readily observable since it will be very close to the Sun, at a separation of only 1° from it.

The events that comprise the 2012 apparition of 96P/Machholz are as follows:

Date Event
12 Jul 2012Comet 96P/Machholz passes perihelion

The table below lists the times when 96P/Machholz will be visible from Fairfield day-by-day through its apparition:

Date Constellation Comet visibility
21 Jun 2012EridanusNot observable
23 Jun 2012EridanusNot observable
25 Jun 2012EridanusNot observable
27 Jun 2012OrionNot observable
29 Jun 2012OrionNot observable
01 Jul 2012OrionNot observable
03 Jul 2012OrionNot observable
05 Jul 2012OrionNot observable
07 Jul 2012MonocerosNot observable
09 Jul 2012GeminiNot observable
11 Jul 2012GeminiNot observable
13 Jul 2012GeminiNot observable
15 Jul 2012GeminiNot observable
17 Jul 2012CancerNot observable
19 Jul 2012CancerNot observable
21 Jul 2012LeoNot observable
23 Jul 2012LeoNot observable
25 Jul 2012Leo MinorNot observable
27 Jul 2012Leo MinorNot observable
29 Jul 2012LeoNot observable
31 Jul 2012LeoNot observable

A more detailed table of 96P/Machholz's position on each night is available here. A diagram of the orbit of 96P/Machholz is available here.

Finder chart

The chart below shows the path of 96P/Machholz 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 96P/Machholz is currently available.

The comet's position at perihelion will be:

Object Right Ascension Declination Constellation Magnitude
Comet 96P/Machholz 07h26m50s 23°40'N Gemini 4.5

The coordinates are given in J2000.0.

The sky on 23 Nov 2024

The sky on 23 November 2024
Sunrise
06:48
Sunset
16:27
Twilight ends
18:04
Twilight begins
05:11


Waning Crescent

36%

22 days old

Planets
Rise Culm. Set
Mercury 08:37 13:04 17:30
Venus 10:14 14:41 19:08
Moon 23:20 06:15 12:58
Mars 20:49 04:12 11:35
Jupiter 17:22 00:49 08:16
Saturn 13:05 18:37 00:09
All times shown in EST.

Warning

Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.

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 13 Oct 2024.

Image credit

© Andy Roberts 1997. Pictured comet is C/1995 O1 Hale-Bopp.

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