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Comets

Browse and discover detailed information about 169 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/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 00h 59m 53s   Dec: +05° 05’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.3 (JPL)  brightening
in Pisces   object currently below the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 04h 35m 14s   Dec: +27° 34’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.3 (JPL) 
in Taurus   object currently below the horizon

Comet 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova
R.A: 14h 59m 59s   Dec: -14° 04’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.1 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 35m 41s   Dec: -20° 08’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.2 (JPL) 
in Hydra   object currently below the horizon

Comet C/2016 R3 (Borisov)

C/2016 R3 (Borisov)
R.A: 02h 06m 10s   Dec: -44° 42’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 40.4 (JPL)  fading
in Phoenix   object currently below the horizon

Comet C/2017 E1 (Borisov)

C/2017 E1 (Borisov)
R.A: 05h 16m 34s   Dec: +11° 11’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 40.8 (JPL)  fading
in Orion   object currently below the horizon

Comet 55P/Tempel-Tuttle

55P/Tempel-Tuttle
R.A: 15h 30m 05s   Dec: -19° 24’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.0 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon

Comet C/2017 E4 (Lovejoy)

C/2017 E4 (Lovejoy)
R.A: 04h 23m 20s   Dec: -35° 17’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.9 (JPL)  fading
in Eridanus   object currently below the horizon

Comet C/2012 S1 (ISON)

C/2012 S1 (ISON)
R.A: 07h 19m 00s   Dec: +37° 09’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Auriga   object currently below the horizon
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