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Comets

Browse and discover detailed information about 178 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 74P/Smirnova-Chernykh

74P/Smirnova-Chernykh
R.A: 19h 17m 01s   Dec: -24° 16’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.8 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2016 Q2 (PANSTARRS)

C/2016 Q2 (PANSTARRS)
R.A: 19h 47m 21s   Dec: +30° 09’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.0 (JPL) 
in Cygnus   current altitude greater than 30 degrees above the horizon

Comet C/2019 E3 (ATLAS)

C/2019 E3 (ATLAS)
R.A: 09h 37m 16s   Dec: -45° 47’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.0 (JPL) 
in Vela   object currently below the horizon

Comet C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
R.A: 04h 13m 10s   Dec: -46° 33’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.3 (JPL)  fading
in Horologium   object currently below the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 16h 30m 19s   Dec: +17° 15’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.3 (JPL)  fading
in Hercules   current altitude greater than 30 degrees above the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 03h 02m 12s   Dec: +16° 05’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.4 (JPL) 
in Aries   current altitude less than 30 degrees above the horizon

Comet C/2018 A3 (ATLAS)

C/2018 A3 (ATLAS)
R.A: 01h 23m 50s   Dec: +19° 29’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.4 (JPL) 
in Pisces   current altitude less than 30 degrees above the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 14h 15m 12s   Dec: +11° 12’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.5 (JPL)  fading
in Bootes   current altitude less than 30 degrees above the horizon

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 00h 42m 53s   Dec: +65° 02’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.5 (JPL)  fading
in Cassiopeia   current altitude greater than 30 degrees above the horizon

Comet C/2020 A2 (Iwamoto)

C/2020 A2 (Iwamoto)
R.A: 05h 39m 58s   Dec: +46° 30’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.5 (JPL)  fading
in Auriga   current altitude less than 30 degrees above the horizon

Comet C/2019 V1 (Borisov)

C/2019 V1 (Borisov)
R.A: 05h 03m 57s   Dec: +43° 48’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  fading
in Auriga   current altitude less than 30 degrees above the horizon

Comet C/2016 N4 (MASTER)

C/2016 N4 (MASTER)
R.A: 11h 35m 35s   Dec: +25° 39’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.7 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

5D/Brorsen (Lost)

5D/Brorsen (Lost)
R.A: 20h 27m 55s   Dec: -25° 11’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.8 (JPL)  brightening
in Capricornus   current altitude less than 30 degrees above the horizon

Comet C/2018 X2 (Fitzsimmons)

C/2018 X2 (Fitzsimmons)
R.A: 14h 40m 30s   Dec: -43° 41’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.1 (JPL)  fading
in Lupus   object currently below the horizon

Comet 260P/McNaught

260P/McNaught
R.A: 05h 40m 11s   Dec: +35° 43’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.1 (JPL)  fading
in Auriga   current altitude less than 30 degrees above the horizon

Comet 4P/Faye

4P/Faye
R.A: 18h 40m 00s   Dec: -14° 57’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  brightening
in Scutum   current altitude less than 30 degrees above the horizon

Comet C/2019 J3 (ATLAS)

C/2019 J3 (ATLAS)
R.A: 14h 17m 20s   Dec: +55° 46’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  fading
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 04h 07m 14s   Dec: +24° 19’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet 22P/Kopff

22P/Kopff
R.A: 08h 02m 40s   Dec: +21° 18’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL) 
in Cancer   object currently below the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 02h 10m 05s   Dec: -29° 13’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL) 
in Fornax   object currently below the horizon
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