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Comets

Browse and discover detailed information about 168 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 C/1995 O1 (Hale-Bopp)

C/1995 O1 (Hale-Bopp)
R.A: 22h 27m 27s   Dec: -86° 16’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.2 (JPL) 
in Octans   object currently below the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 18h 24m 48s   Dec: -36° 34’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.4 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 11h 59m 30s   Dec: -01° 28’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.4 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet Halley (1P/Halley)

Halley's Comet
R.A: 08h 28m 52s   Dec: +02° 03’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL) 
in Hydra   current altitude greater than 30 degrees above the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 18h 03m 25s   Dec: -32° 32’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 04h 12m 55s   Dec: +23° 50’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.1 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 02h 35m 52s   Dec: +29° 11’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.1 (JPL)  fading
in Aries   current altitude greater than 30 degrees above the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 49m 12s   Dec: -13° 35’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.3 (JPL)  fading
in Eridanus   current altitude less than 30 degrees above the horizon

Comet 11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR
R.A: 17h 16m 25s   Dec: -15° 44’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.3 (JPL) 
in Ophiucus   object currently below the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 11h 19m 35s   Dec: -16° 52’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.6 (JPL)  fading
in Crater   current altitude less than 30 degrees above the horizon

Comet 46P/Wirtanen

46P/Wirtanen
R.A: 14h 02m 25s   Dec: -05° 08’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.6 (JPL)  fading
in Virgo   object currently below the horizon

Comet 249P/LINEAR

249P/LINEAR
R.A: 10h 53m 22s   Dec: -00° 17’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.0 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon

Comet 52P/Harrington-Abell

52P/Harrington-Abell
R.A: 21h 35m 41s   Dec: -15° 29’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.1 (JPL) 
in Capricornus   object currently below the horizon

Comet 13P/Olbers

13P/Olbers
R.A: 01h 19m 31s   Dec: -44° 16’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL) 
in Phoenix   object currently below the horizon

Comet 226P/Pigott-LINEAR-Kowalski

226P/Pigott-LINEAR-Kowalski
R.A: 14h 17m 57s   Dec: +03° 53’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL) 
in Virgo   object currently below the horizon

Comet 12P/Pons-Brooks

12P/Pons-Brooks
R.A: 17h 41m 16s   Dec: +14° 45’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.4 (JPL) 
in Hercules   object currently below the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 18h 41m 38s   Dec: -28° 51’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.6 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 15P/Finlay

15P/Finlay
R.A: 13h 25m 58s   Dec: -10° 06’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.6 (JPL) 
in Virgo   object currently below the horizon

Comet 23P/Brorsen-Metcalf

23P/Brorsen-Metcalf
R.A: 17h 09m 52s   Dec: -37° 52’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.6 (JPL) 
in Scorpius   object currently below the horizon

Comet 252P/LINEAR

252P/LINEAR
R.A: 00h 33m 44s   Dec: +03° 24’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.6 (JPL)  brightening
in Pisces   object currently below the horizon
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