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Comets

Browse and discover detailed information about 152 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 213P/Van Ness

213P/Van Ness
R.A: 05h 57m 00s   Dec: +28° 27’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.0 (JPL)  fading
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2018 O1 (ATLAS)

C/2018 O1 (ATLAS)
R.A: 10h 32m 54s   Dec: -21° 55’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.4 (JPL)  fading
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2015 D4 (Borisov)

C/2015 D4 (Borisov)
R.A: 03h 23m 38s   Dec: +88° 02’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.8 (JPL)  fading
in Cepheus   current altitude greater than 30 degrees above the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 04h 19m 00s   Dec: +27° 20’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.3 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet P/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 00h 47m 48s   Dec: +04° 16’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.5 (JPL)  brightening
in Pisces   current altitude less than 30 degrees above the horizon

Comet 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova
R.A: 15h 13m 08s   Dec: -14° 48’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.0 (JPL) 
in Libra   object currently below the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 34m 45s   Dec: -20° 23’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.2 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2016 R3 (Borisov)

C/2016 R3 (Borisov)
R.A: 01h 57m 47s   Dec: -43° 52’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 40.3 (JPL) 
in Phoenix   object currently below the horizon

Comet C/2017 E1 (Borisov)

C/2017 E1 (Borisov)
R.A: 05h 05m 58s   Dec: +10° 56’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 40.6 (JPL)  fading
in Orion   current altitude greater than 30 degrees above the horizon

Comet 55P/Tempel-Tuttle

55P/Tempel-Tuttle
R.A: 15h 35m 08s   Dec: -19° 44’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.0 (JPL) 
in Libra   object currently below the horizon

Comet C/2017 E4 (Lovejoy)

C/2017 E4 (Lovejoy)
R.A: 04h 11m 47s   Dec: -34° 50’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.6 (JPL)  fading
in Eridanus   object currently below the horizon

Comet C/2012 S1 (ISON)

C/2012 S1 (ISON)
R.A: 07h 14m 04s   Dec: +37° 26’ 03”
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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