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

41P/Tuttle-Giacobini-Kresak at perihelion

Dominic Ford, Editor
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Comet 41P/Tuttle-Giacobini-Kresak will make its closest approach to the Sun, at a distance of 1.05 AU.

From Cambridge, it will be visible all night. It will become visible around 20:30 (EDT) as the dusk sky fades, 22° above your north-eastern horizon. It will be lost to dawn twilight around 04:56, 74° above your north-western horizon.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

Based on the absolute magnitude published for this comet by the British Astronomical Association's Comet Section, we estimate that it may be around mag 7 at perihelion.

This comet is not expected to be visible to the naked eye, but might be visible through bird-watching binoculars. The brightnesses of comets are often highly unpredictable, since it is impossible to predict with certainty how they will respond as they are heated by the Sun as they move into the inner solar system. Magnitude estimates should be assumed to be highly provisional more than a few weeks in advance.

The path of the comet, on the other hand, can reliably be predicted. The chart below shows the path of 41P/Tuttle-Giacobini-Kresak over the course of its apparition. It was produced using StarCharter and 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.

Alternatively, you can create a textual listing of the comet's position using In-The-Sky.org's ephemeris generator.

The position of comet 41P/Tuttle-Giacobini-Kresak at perihelion will be:

Object Right Ascension Declination Constellation Magnitude
Comet 41P/Tuttle-Giacobini-Kresak 16h39m20s +54°56' Draco 7.4

The coordinates are given in J2000.0.

The sky on 12 April 2017
Twilight ends
Twilight begins

15-day old moon
Waning Gibbous


15 days old

Rise Culm. Set
Mercury 06:20 13:23 20:26
Venus 04:45 11:00 17:16
Moon 20:57 01:31 07:05
Mars 07:27 14:44 22:02
Jupiter 18:41 00:28 06:12
Saturn 00:33 05:10 09:47
All times shown in EDT.


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 20 Aug 2019.

Image credit

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




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