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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 C/2018 N2 (ASASSN)

C/2018 N2 (ASASSN)
R.A: 02h 27m 40s   Dec: +05° 38’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.1 (JPL)  brightening
in Cetus   current altitude less than 30 degrees above the horizon

Comet C/2017 T2 (PANSTARRS)

C/2017 T2 (PANSTARRS)
R.A: 04h 14m 58s   Dec: +14° 25’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.6 (JPL)  brightening
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 14h 27m 09s   Dec: -43° 09’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.8 (JPL)  fading
in Lupus   object currently below the horizon

Comet C/2018 A6 (Gibbs)

C/2018 A6 (Gibbs)
R.A: 07h 36m 22s   Dec: -52° 24’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.9 (JPL) 
in Carina   object currently below the horizon

Comet 29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
R.A: 00h 50m 40s   Dec: +13° 24’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.2 (JPL) 
in Pisces   current altitude less than 30 degrees above the horizon

Comet 168P/Hergenrother

168P/Hergenrother
R.A: 01h 14m 07s   Dec: -00° 19’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.3 (JPL)  brightening
in Cetus   current altitude less than 30 degrees above the horizon

Comet P/2010 H2 (Vales)

P/2010 H2 (Vales)
R.A: 21h 04m 02s   Dec: -32° 08’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.3 (JPL) 
in Microscopium   object currently below the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 00h 28m 24s   Dec: -44° 55’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.4 (JPL)  brightening
in Phoenix   object currently below the horizon

Comet C/2018 R3 (Lemmon)

C/2018 R3 (Lemmon)
R.A: 06h 58m 33s   Dec: +52° 53’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.5 (JPL)  fading
in Lynx   current altitude greater than 30 degrees above the horizon

Comet C/2018 W2 (Africano)

C/2018 W2 (Africano)
R.A: 04h 20m 31s   Dec: +62° 11’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.5 (JPL)  brightening
in Camelopardalis   current altitude greater than 30 degrees above the horizon

Comet C/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 06h 04m 04s   Dec: -30° 34’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.7 (JPL)  fading
in Columba   current altitude less than 30 degrees above the horizon

Comet 78P/Gehrels 2

78P/Gehrels 2
R.A: 05h 09m 46s   Dec: +19° 59’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.7 (JPL)  fading
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 10h 28m 27s   Dec: +19° 42’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.0 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon

Comet C/2019 D1 (Flewelling)

C/2019 D1 (Flewelling)
R.A: 23h 43m 43s   Dec: +38° 00’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.0 (JPL)  fading
in Andromeda   current altitude less than 30 degrees above the horizon

Comet 68P/Klemola

68P/Klemola
R.A: 17h 33m 23s   Dec: -03° 33’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.2 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet 260P/McNaught

260P/McNaught
R.A: 23h 47m 12s   Dec: -14° 25’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.4 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet C/2019 J2 (Palomar)

C/2019 J2
R.A: 00h 02m 06s   Dec: +73° 46’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.6 (JPL)  brightening
in Cepheus   current altitude greater than 30 degrees above the horizon

Comet 123P/West-Hartley

123P/West-Hartley
R.A: 11h 44m 15s   Dec: +10° 26’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.7 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet C/2018 F4 (PANSTARRS)

C/2018 F4 (PANSTARRS)
R.A: 10h 57m 55s   Dec: -54° 32’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.7 (JPL) 
in Vela   object currently below the horizon

Comet C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
R.A: 06h 07m 34s   Dec: -22° 05’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.8 (JPL)  fading
in Lepus   current altitude less than 30 degrees above the horizon
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