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Comets

Browse and discover detailed information about 176 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/2019 J2 (Palomar)

C/2019 J2 (Palomar)
R.A: 13h 28m 38s   Dec: -22° 36’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL)  fading
in Virgo   object currently below the horizon

Comet P/2017 P1 (PANSTARRS)

P/2017 P1 (PANSTARRS)
R.A: 02h 04m 16s   Dec: +13° 05’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL) 
in Aries   current altitude greater than 30 degrees above the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 13h 52m 03s   Dec: +09° 04’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.2 (JPL)  fading
in Bootes   object currently below the horizon

Comet 9P/Tempel 1

9P/Tempel 1
R.A: 05h 03m 50s   Dec: +26° 24’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.2 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 11h 01m 40s   Dec: -03° 27’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.2 (JPL)  fading
in Leo   object currently below the horizon

Comet C/2013 X1 (PANSTARRS)

C/2013 X1 (PANSTARRS)
R.A: 11h 44m 49s   Dec: -13° 59’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.3 (JPL) 
in Crater   object currently below the horizon

Comet C/2016 A3 (PANSTARRS)

C/2016 A3 (PANSTARRS)
R.A: 17h 48m 41s   Dec: -15° 00’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.4 (JPL) 
in Serpens   object currently below the horizon

Comet 30P/Reinmuth 1

30P/Reinmuth 1
R.A: 20h 16m 10s   Dec: -18° 47’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.4 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet 261P/Larson

261P/Larson
R.A: 04h 33m 20s   Dec: +24° 05’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.5 (JPL)  fading
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 10h 00m 37s   Dec: +25° 25’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.6 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 11h 31m 22s   Dec: +17° 58’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.6 (JPL) 
in Leo   object currently below the horizon

Comet C/2018 E1 (ATLAS)

C/2018 E1 (ATLAS)
R.A: 12h 15m 33s   Dec: +50° 30’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL)  fading
in Canes Venatici   current altitude less than 30 degrees above the horizon

Comet C/2015 B1 (PANSTARRS)

C/2015 B1 (PANSTARRS)
R.A: 19h 28m 15s   Dec: -39° 05’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet 81P/Wild 2

81P/Wild 2
R.A: 00h 31m 46s   Dec: +01° 06’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL) 
in Cetus   current altitude greater than 30 degrees above the horizon

Comet 32P/Comas Sola

32P/Comas Sola
R.A: 20h 46m 11s   Dec: -26° 33’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet 77P/Longmore

77P/Longmore
R.A: 01h 59m 10s   Dec: +22° 24’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL) 
in Aries   current altitude greater than 30 degrees above the horizon

Comet 49P/Arend-Rigaux

49P/Arend-Rigaux
R.A: 16h 55m 01s   Dec: -04° 15’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.0 (JPL) 
in Ophiucus   object currently below the horizon

Comet C/2014 W2 (PANSTARRS)

C/2014 W2 (PANSTARRS)
R.A: 16h 59m 33s   Dec: -52° 39’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.0 (JPL) 
in Ara   object currently below the horizon

Comet 217P/LINEAR

217P/LINEAR
R.A: 11h 58m 30s   Dec: +13° 11’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL)  fading
in Virgo   object currently below the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 06h 10m 33s   Dec: +21° 47’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL)  fading
in Gemini   current altitude greater than 30 degrees above the horizon
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