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Comets

Browse and discover detailed information about 140 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 P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 03h 10m 19s   Dec: +14° 20’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.5 (JPL) 
in Aries   object currently below the horizon

Comet 4P/Faye

4P/Faye
R.A: 15h 54m 14s   Dec: -15° 31’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.6 (JPL)  brightening
in Libra   current altitude less than 30 degrees above the horizon

Comet 32P/Comas Sola

32P/Comas Sola
R.A: 18h 44m 33s   Dec: -29° 16’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.0 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 20h 20m 20s   Dec: -60° 23’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL) 
in Pavo   object currently below the horizon

Comet 119P/Parker-Hartley

119P/Parker-Hartley
R.A: 16h 40m 43s   Dec: -21° 21’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL)  brightening
in Ophiucus   current altitude less than 30 degrees above the horizon

Comet C/2018 K1 (Weiland)

C/2018 K1 (Weiland)
R.A: 14h 48m 19s   Dec: -05° 42’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Libra   current altitude less than 30 degrees above the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 07h 28m 46s   Dec: +41° 45’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL)  brightening
in Auriga   current altitude less than 30 degrees above the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 11h 25m 36s   Dec: -02° 56’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL) 
in Leo   object currently below the horizon

Comet 116P/Wild 4

116P/Wild 4
R.A: 23h 36m 51s   Dec: -03° 36’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL)  fading
in Aquarius   current altitude less than 30 degrees above the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 11h 30m 34s   Dec: +03° 50’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL) 
in Leo   object currently below the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 16h 16m 56s   Dec: -22° 45’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Scorpius   current altitude less than 30 degrees above the horizon

Comet C/2017 S6 (Catalina)

C/2017 S6 (Catalina)
R.A: 17h 01m 38s   Dec: -40° 39’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Scorpius   object currently below the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 54m 09s   Dec: +37° 04’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL) 
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 10h 31m 04s   Dec: +11° 50’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL)  brightening
in Leo   object currently below the horizon

Comet C/2017 T1 (Heinze)

C/2017 T1 (Heinze)
R.A: 17h 56m 00s   Dec: -67° 59’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL)  fading
in Apus   object currently below the horizon

Comet 110P/Hartley 3

110P/Hartley 3
R.A: 19h 09m 24s   Dec: -21° 48’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  fading
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 18h 19m 22s   Dec: -27° 26’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  fading
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet 134P/Kowal-Vavrova

134P/Kowal-Vavrova
R.A: 00h 29m 31s   Dec: +03° 50’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL) 
in Pisces   current altitude less than 30 degrees above the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 13h 12m 13s   Dec: +00° 21’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 17m 33s   Dec: -17° 54’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL)  fading
in Cetus   object currently below the horizon
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