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

C/2018 W2 (Africano) at perihelion

Dominic Ford, Editor
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Comet C/2018 W2 (Africano) will make its closest approach to the Sun, at a distance of 1.46 AU.

From Fairfield, it will be visible in the morning sky, becoming accessible around 21:24, when it rises 21° above your north-eastern horizon. It will then reach its highest point in the sky at 04:47, 77° above your northern horizon. It will be lost to dawn twilight around 05:14, 77° above your northern 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 8 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 C/2018 W2 (Africano) 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 C/2018 W2 (Africano) at perihelion will be:

Object Right Ascension Declination Constellation Magnitude
Comet C/2018 W2 (Africano) 02h50m40s +53°09' Perseus 7.6

The coordinates are given in J2000.0.

The sky on 05 September 2019
Sunrise
06:22
Sunset
19:19
Twilight ends
20:55
Twilight begins
04:45

6-day old moon
Waxing Crescent

45%

6 days old

Planets
Rise Culm. Set
Mercury 06:28 12:59 19:29
Venus 06:52 13:15 19:39
Moon 13:37 18:31 23:24
Mars 06:16 12:48 19:20
Jupiter 14:10 18:49 23:29
Saturn 16:14 20:53 01:36
All times shown in EDT.

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 20 Aug 2019.

Image credit

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

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

Color scheme