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Comets

Browse and discover detailed information about 148 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: 05h 21m 11s   Dec: +28° 23’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.4 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet 319P/Catalina-McNaught

319P/Catalina-McNaught
R.A: 09h 01m 11s   Dec: +25° 03’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.7 (JPL)  fading
in Cancer   object currently below the horizon

Comet 15P/Finlay

15P/Finlay
R.A: 12h 46m 09s   Dec: -05° 17’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.8 (JPL) 
in Virgo   object currently below the horizon

Comet 12P/Pons-Brooks

12P/Pons-Brooks
R.A: 18h 10m 37s   Dec: +16° 03’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.9 (JPL) 
in Hercules   current altitude less than 30 degrees above the horizon

Comet C/2016 S1 (PANSTARRS)

C/2016 S1 (PANSTARRS)
R.A: 15h 42m 48s   Dec: +19° 01’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.5 (JPL)  fading
in Serpens   current altitude less than 30 degrees above the horizon

Comet 92P/Sanguin

92P/Sanguin
R.A: 09h 26m 13s   Dec: +03° 19’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.6 (JPL) 
in Hydra   object currently below the horizon

Comet 52P/Harrington-Abell

52P/Harrington-Abell
R.A: 22h 12m 22s   Dec: -13° 57’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.6 (JPL)  brightening
in Aquarius   current altitude less than 30 degrees above the horizon

Comet 108P/Ciffreo

108P/Ciffreo
R.A: 16h 49m 56s   Dec: -26° 12’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.0 (JPL)  brightening
in Scorpius   object currently below the horizon

Comet 252P/LINEAR

252P/LINEAR
R.A: 00h 23m 42s   Dec: +04° 00’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.0 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 08h 23m 13s   Dec: +17° 35’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.7 (JPL)  fading
in Cancer   object currently below the horizon

Comet 41P/Tuttle-Giacobini-Kresak

41P/Tuttle-Giacobini-Kresak
R.A: 00h 59m 01s   Dec: -00° 02’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.8 (JPL) 
in Cetus   current altitude greater than 30 degrees above the horizon

Comet C/2017 P2 (PANSTARRS)

C/2017 P2 (PANSTARRS)
R.A: 02h 10m 40s   Dec: -18° 45’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.0 (JPL)  fading
in Cetus   current altitude less than 30 degrees above the horizon

Comet C/2018 O1 (ATLAS)

C/2018 O1 (ATLAS)
R.A: 11h 12m 05s   Dec: -32° 54’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.3 (JPL)  fading
in Hydra   object currently below the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 03h 53m 31s   Dec: +27° 00’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.4 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2014 Q2 (Lovejoy)

C/2014 Q2 (Lovejoy)
R.A: 18h 18m 17s   Dec: +00° 32’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.7 (JPL)  fading
in Ophiucus   current altitude less than 30 degrees above the horizon

Comet 8P/Tuttle

8P/Tuttle
R.A: 20h 33m 59s   Dec: +22° 53’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.0 (JPL)  brightening
in Vulpecula   current altitude greater than 30 degrees above the horizon

Comet 213P/Van Ness

213P/Van Ness
R.A: 05h 14m 35s   Dec: +28° 53’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.4 (JPL)  fading
in Auriga   current altitude less than 30 degrees above the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 22h 07m 59s   Dec: -16° 27’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.1 (JPL)  brightening
in Aquarius   current altitude less than 30 degrees above the horizon

Comet C/2015 D4 (Borisov)

C/2015 D4 (Borisov)
R.A: 23h 52m 54s   Dec: +86° 48’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.6 (JPL)  fading
in Cepheus   current altitude greater than 30 degrees above the horizon

Comet P/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 00h 22m 48s   Dec: +02° 14’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.7 (JPL)  brightening
in Pisces   current altitude greater than 30 degrees above the horizon
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