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Comets

Browse and discover detailed information about 175 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 28P/Neujmin 1

28P/Neujmin 1
R.A: 14h 49m 35s   Dec: -27° 15’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL)  brightening
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2016 Q2 (PANSTARRS)

C/2016 Q2 (PANSTARRS)
R.A: 19h 33m 25s   Dec: +21° 26’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL) 
in Vulpecula   current altitude less than 30 degrees above the horizon

Comet C/2018 R3 (Lemmon)

C/2018 R3 (Lemmon)
R.A: 10h 28m 07s   Dec: -35° 13’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL)  fading
in Antlia   object currently below the horizon

Comet C/2018 X2 (Fitzsimmons)

C/2018 X2 (Fitzsimmons)
R.A: 14h 36m 30s   Dec: -33° 02’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.3 (JPL)  fading
in Centaurus   current altitude less than 30 degrees above the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 17h 08m 07s   Dec: -35° 58’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.4 (JPL)  fading
in Scorpius   object currently below the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 14h 28m 27s   Dec: +06° 57’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 25D/Neujmin 2

25D/Neujmin 2
R.A: 17h 57m 52s   Dec: -26° 31’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2018 W2 (Africano)

C/2018 W2 (Africano)
R.A: 22h 25m 01s   Dec: -47° 15’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  fading
in Grus   object currently below the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 01h 40m 24s   Dec: +16° 40’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL)  fading
in Pisces   object currently below the horizon

5D/Brorsen (Lost)

5D/Brorsen (Lost)
R.A: 19h 41m 54s   Dec: -26° 01’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 01h 46m 24s   Dec: -35° 12’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  fading
in Fornax   object currently below the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 07h 26m 55s   Dec: +30° 46’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Gemini   current altitude greater than 30 degrees above the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 02h 31m 32s   Dec: +31° 02’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL)  fading
in Triangulum   object currently below the horizon

Comet C/2016 N4 (MASTER)

C/2016 N4 (MASTER)
R.A: 12h 13m 33s   Dec: +24° 19’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Coma   current altitude greater than 30 degrees above the horizon

Comet 123P/West-Hartley

123P/West-Hartley
R.A: 17h 05m 36s   Dec: -27° 13’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.4 (JPL)  fading
in Ophiucus   object currently below the horizon

Comet C/2019 K4

C/2019 K4
R.A: 23h 24m 03s   Dec: -28° 31’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  fading
in Sculptor   object currently below the horizon

Comet 261P/Larson

261P/Larson
R.A: 03h 14m 50s   Dec: +22° 54’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  fading
in Aries   object currently below the horizon

Comet C/2019 J3 (ATLAS)

C/2019 J3 (ATLAS)
R.A: 16h 03m 41s   Dec: +24° 02’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL) 
in Serpens   current altitude greater than 30 degrees above the horizon

Comet C/2018 F1 (Grauer)

C/2018 F1 (Grauer)
R.A: 21h 35m 10s   Dec: +05° 50’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  fading
in Pegasus   object currently below the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 05h 39m 22s   Dec: +18° 54’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon
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