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Comets

Browse and discover detailed information about 148 of the most interesting comets. Comets are listed in order of decreasing brightness.

Search Comets:
Visibility from selected location  = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Comet 32P/Comas Sola

32P/Comas Sola
R.A: 19h 56m 49s   Dec: -28° 46’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 16h 23m 08s   Dec: +43° 15’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL)  fading
in Hercules   current altitude less than 30 degrees above the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 17h 00m 53s   Dec: -25° 11’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet 71P/Clark

71P/Clark
R.A: 03h 40m 53s   Dec: +20° 03’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 77P/Longmore

77P/Longmore
R.A: 01h 16m 02s   Dec: +09° 22’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 22h 58m 30s   Dec: +10° 37’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL)  fading
in Pegasus   current altitude greater than 30 degrees above the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 21h 23m 54s   Dec: -60° 13’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL) 
in Pavo   object currently below the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 18h 24m 39s   Dec: -22° 03’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL) 
in Sagittarius   object currently below the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 07h 42m 42s   Dec: +11° 07’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Canis Minoris   current altitude less than 30 degrees above the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 12h 59m 18s   Dec: +06° 23’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL) 
in Virgo   object currently below the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 19h 39m 07s   Dec: -26° 02’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 110P/Hartley 3

110P/Hartley 3
R.A: 21h 07m 21s   Dec: -13° 20’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  brightening
in Aquarius   current altitude less than 30 degrees above the horizon

Comet 210P/Christensen

210P/Christensen
R.A: 20h 09m 30s   Dec: -22° 16’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 04h 14m 15s   Dec: +19° 08’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto)

C/2018 V1 (Machholz-Fujikawa-Iwamoto)
R.A: 20h 13m 50s   Dec: -48° 55’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Telescopium   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 10h 50m 43s   Dec: +06° 48’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Leo   object currently below the horizon

Comet 116P/Wild 4

116P/Wild 4
R.A: 01h 09m 54s   Dec: +07° 05’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  brightening
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 09h 39m 40s   Dec: +18° 57’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  fading
in Leo   object currently below the horizon

Comet 11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR
R.A: 17h 51m 26s   Dec: -17° 55’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 04h 21m 01s   Dec: +32° 34’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  brightening
in Perseus   current altitude greater than 30 degrees above the horizon
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