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Comets

Browse and discover detailed information about 144 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 77P/Longmore

77P/Longmore
R.A: 00h 27m 25s   Dec: +02° 31’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL)  fading
in Cetus   current altitude greater than 30 degrees above the horizon

Comet 119P/Parker-Hartley

119P/Parker-Hartley
R.A: 17h 35m 29s   Dec: -21° 58’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL) 
in Ophiucus   object currently below the horizon

Comet 32P/Comas Sola

32P/Comas Sola
R.A: 19h 34m 36s   Dec: -28° 27’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.0 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 18h 05m 54s   Dec: -21° 36’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.2 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
R.A: 13h 48m 53s   Dec: +58° 00’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.2 (JPL)  fading
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 21h 01m 12s   Dec: -58° 42’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL) 
in Indus   object currently below the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 19h 09m 51s   Dec: -25° 25’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 03h 18m 52s   Dec: +15° 45’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  fading
in Aries   current altitude less than 30 degrees above the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 17h 02m 41s   Dec: -24° 38’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 11h 16m 27s   Dec: +04° 41’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL) 
in Leo   object currently below the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 10h 52m 37s   Dec: -07° 33’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL)  fading
in Crater   object currently below the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 13h 29m 45s   Dec: +01° 44’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL)  brightening
in Virgo   object currently below the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 10h 03m 32s   Dec: +16° 18’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL) 
in Leo   object currently below the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 00h 50m 17s   Dec: +16° 26’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 116P/Wild 4

116P/Wild 4
R.A: 00h 18m 04s   Dec: +01° 21’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2018 K1 (Weiland)

C/2018 K1 (Weiland)
R.A: 14h 24m 52s   Dec: +02° 41’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  fading
in Virgo   object currently below the horizon

Comet 110P/Hartley 3

110P/Hartley 3
R.A: 20h 22m 09s   Dec: -17° 40’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  brightening
in Capricornus   current altitude less than 30 degrees above the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 31m 44s   Dec: +39° 54’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL) 
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 01h 19m 56s   Dec: +06° 18’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 210P/Christensen

210P/Christensen
R.A: 19h 29m 51s   Dec: -23° 01’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.8 (JPL)  brightening
in Sagittarius   current altitude less than 30 degrees above the horizon
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