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Comets

Browse and discover detailed information about 138 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 10P/Tempel 2

10P/Tempel 2
R.A: 10h 08m 40s   Dec: +15° 37’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.5 (JPL) 
in Leo   current altitude greater than 30 degrees above the horizon

Comet 4P/Faye

4P/Faye
R.A: 15h 11m 47s   Dec: -13° 13’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL) 
in Libra   object currently below the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 20h 04m 05s   Dec: -63° 27’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL)  fading
in Pavo   object currently below the horizon

Comet 32P/Comas Sola

32P/Comas Sola
R.A: 18h 11m 35s   Dec: -29° 56’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2017 T1 (Heinze)

C/2017 T1 (Heinze)
R.A: 16h 08m 41s   Dec: -66° 39’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL)  fading
in Triangulum Australis   object currently below the horizon

Comet 297P/Beshore (2008 J2)

297P/Beshore (2008 J2)
R.A: 06h 10m 40s   Dec: +19° 51’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL)  brightening
in Orion   current altitude greater than 30 degrees above the horizon

Comet 116P/Wild 4

116P/Wild 4
R.A: 23h 45m 02s   Dec: -03° 17’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL) 
in Pisces   object currently below the horizon

Comet 119P/Parker-Hartley

119P/Parker-Hartley
R.A: 15h 52m 46s   Dec: -19° 40’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL) 
in Libra   object currently below the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 11h 05m 17s   Dec: +04° 45’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.2 (JPL)  fading
in Leo   current altitude greater than 30 degrees above the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 11h 05m 07s   Dec: +06° 54’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL) 
in Leo   current altitude greater than 30 degrees above the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 15h 33m 39s   Dec: -20° 28’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Libra   object currently below the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 17h 36m 12s   Dec: -26° 44’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  fading
in Ophiucus   object currently below the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 50m 47s   Dec: +35° 44’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL) 
in Leo Minor   current altitude greater than 30 degrees above the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 44m 28s   Dec: -17° 41’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  fading
in Cetus   object currently below the horizon

Comet 110P/Hartley 3

110P/Hartley 3
R.A: 18h 22m 27s   Dec: -23° 28’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 134P/Kowal-Vavrova

134P/Kowal-Vavrova
R.A: 00h 41m 46s   Dec: +05° 20’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL)  fading
in Pisces   object currently below the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 10h 12m 46s   Dec: +12° 20’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet C/2017 S2 (PANSTARRS)

C/2017 S2 (PANSTARRS)
R.A: 05h 29m 10s   Dec: +25° 53’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.8 (JPL)  fading
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 18h 52m 33s   Dec: -28° 34’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.8 (JPL) 
in Sagittarius   object currently below the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 12h 29m 16s   Dec: +03° 30’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  brightening
in Virgo   current altitude less than 30 degrees above the horizon
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