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Comets

Browse and discover detailed information about 176 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/2017 S2 (PANSTARRS)

C/2017 S2 (PANSTARRS)
R.A: 06h 49m 21s   Dec: +32° 15’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.5 (JPL)  fading
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 18D/Perrine-Mrkos

18D/Perrine-Mrkos
R.A: 13h 19m 32s   Dec: -20° 55’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.7 (JPL) 
in Virgo   object currently below the horizon

Comet 134P/Kowal-Vavrova

134P/Kowal-Vavrova
R.A: 01h 30m 04s   Dec: +09° 08’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.9 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 41P/Tuttle-Giacobini-Kresak

41P/Tuttle-Giacobini-Kresak
R.A: 01h 40m 39s   Dec: +02° 47’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.2 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 08h 58m 29s   Dec: +15° 56’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.3 (JPL) 
in Cancer   current altitude less than 30 degrees above the horizon

Comet 92P/Sanguin

92P/Sanguin
R.A: 10h 09m 20s   Dec: +01° 43’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.5 (JPL) 
in Sextans   object currently below the horizon

Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto)

C/2018 V1 (Machholz-Fujikawa-Iwamoto)
R.A: 17h 24m 43s   Dec: -55° 30’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.2 (JPL)  fading
in Ara   object currently below the horizon

Comet P/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 01h 19m 00s   Dec: +02° 11’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.8 (JPL)  brightening
in Cetus   current altitude greater than 30 degrees above the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 04h 34m 51s   Dec: +22° 26’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.1 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 213P/Van Ness

213P/Van Ness
R.A: 07h 25m 14s   Dec: +23° 53’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.0 (JPL)  fading
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 19h 51m 17s   Dec: -23° 23’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.0 (JPL) 
in Sagittarius   object currently below the horizon

Comet 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova
R.A: 16h 44m 58s   Dec: -20° 17’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.8 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 36m 16s   Dec: -21° 00’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.3 (JPL) 
in Hydra   object currently below the horizon

Comet C/2018 O1 (ATLAS)

C/2018 O1 (ATLAS)
R.A: 09h 45m 48s   Dec: -17° 18’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 42.6 (JPL)  fading
in Hydra   object currently below the horizon

Comet 55P/Tempel-Tuttle

55P/Tempel-Tuttle
R.A: 15h 42m 50s   Dec: -19° 46’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 47.8 (JPL)  brightening
in Libra   object currently below the horizon

Comet C/2012 S1 (ISON)

C/2012 S1 (ISON)
R.A: 07h 10m 38s   Dec: +38° 08’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Auriga   current altitude greater than 30 degrees above the horizon
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