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

48P/Johnson at perihelion

Dominic Ford, Editor
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Ashburn
The sky at

Comet 48P/Johnson will make its closest approach to the Sun, at a distance of 2.01 AU.

From Ashburn (click to change), it will be visible between 01:15 and 03:32. It will become accessible at around 01:15, when it rises 24° above your southern horizon, and then reach its highest point in the sky at 02:24, 26° above your southern horizon. It will become inaccessible at around 03:32 when it sinks to 25° above your southern horizon.

For more information about its path across the sky, see In-The-Sky.org's ephemeris page for comet 48P/Johnson.

This event was automatically generated on the basis of orbital elements published by the Minor Planet Center (MPC), and is updated daily (last update, 14 Aug 2018).

Note that the future positions of comets are typically known with a high degree of confidence, but their brightnesses are often much more unpredictable, since it is impossible to predict with certainty how they will respond as they move closer to the Sun. Magnitude estimates should be assumed to be highly provisional more than a few weeks in advance.

Printable finder charts

Light-on-dark PNG image PDF document
Dark-on-light PNG image PDF document

The exact position of comet 48P/Johnson will be:

Object Right Ascension Declination Constellation Magnitude
Comet 48P/Johnson 22h40m40s -23°58' Aquarius 12.2

The coordinates are given in J2000.0.

The sky on 13 August 2018
Sunrise
06:20
Sunset
20:07
Twilight ends
21:47
Twilight begins
04:39

2-day old moon
Waxing Crescent

6%

2 days old

Planets
Rise Culm. Set
Mercury 05:52 12:38 19:24
Venus 10:12 16:03 21:54
Moon 09:01 15:25 21:48
Mars 19:24 23:52 04:25
Jupiter 13:19 18:31 23:42
Saturn 17:07 21:51 02:40
All times shown in EDT.

Source

The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Image credit

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

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme