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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 71P/Clark

71P/Clark
R.A: 02h 38m 22s   Dec: +13° 29’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.2 (JPL)  fading
in Aries   object currently below the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 12h 47m 59s   Dec: +23° 34’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.2 (JPL)  fading
in Coma   current altitude less than 30 degrees above the horizon

Comet 9P/Tempel 1

9P/Tempel 1
R.A: 03h 20m 10s   Dec: +15° 45’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.3 (JPL) 
in Aries   object currently below the horizon

Comet C/2014 W2 (PANSTARRS)

C/2014 W2 (PANSTARRS)
R.A: 16h 37m 39s   Dec: -39° 47’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.6 (JPL)  fading
in Scorpius   object currently below the horizon

Comet 88P/Howell

88P/Howell
R.A: 10h 02m 29s   Dec: +17° 08’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.7 (JPL)  brightening
in Leo   object currently below the horizon

Comet 217P/LINEAR

217P/LINEAR
R.A: 11h 20m 08s   Dec: +11° 17’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.7 (JPL) 
in Leo   object currently below the horizon

Comet C/2016 T3 (PANSTARRS)

C/2016 T3 (PANSTARRS)
R.A: 13h 04m 54s   Dec: -28° 39’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.8 (JPL) 
in Hydra   object currently below the horizon

Comet 10P/Tempel 2

10P/Tempel 2
R.A: 10h 32m 55s   Dec: +15° 04’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.0 (JPL)  brightening
in Leo   object currently below the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 12h 31m 25s   Dec: -12° 14’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.0 (JPL) 
in Corvus   object currently below the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 00h 01m 49s   Dec: -06° 02’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL)  fading
in Pisces   current altitude less than 30 degrees above the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 08h 21m 47s   Dec: +09° 02’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL) 
in Cancer   object currently below the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 19h 32m 36s   Dec: -22° 56’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet 77P/Longmore

77P/Longmore
R.A: 23h 51m 44s   Dec: -04° 06’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL)  fading
in Aquarius   current altitude less than 30 degrees above the horizon

Comet C/2015 B1 (PANSTARRS)

C/2015 B1 (PANSTARRS)
R.A: 17h 09m 30s   Dec: -38° 56’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.2 (JPL) 
in Scorpius   object currently below the horizon

Comet 81P/Wild 2

81P/Wild 2
R.A: 22h 12m 25s   Dec: -12° 29’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.3 (JPL)  fading
in Aquarius   current altitude less than 30 degrees above the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 23h 53m 52s   Dec: +13° 14’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.3 (JPL)  fading
in Pegasus   current altitude less than 30 degrees above the horizon

Comet 297P/Beshore (2008 J2)

297P/Beshore (2008 J2)
R.A: 05h 46m 45s   Dec: +20° 29’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.3 (JPL)  brightening
in Taurus   object currently below the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 17h 51m 33s   Dec: -25° 09’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.4 (JPL)  fading
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 15h 52m 18s   Dec: +34° 02’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.4 (JPL)  fading
in Corona Borealis   current altitude greater than 30 degrees above the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 16h 48m 04s   Dec: -19° 52’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.4 (JPL)  fading
in Ophiucus   current altitude less than 30 degrees above the horizon
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