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Comets

Browse and discover detailed information about 191 of the most interesting comets. Comets are listed in order of decreasing brightness.

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 78P/Gehrels 2

78P/Gehrels 2
R.A: 10h 33m 03s   Dec: +05° 09’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Sextans   object currently below the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 08h 02m 05s   Dec: +17° 12’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Cancer   current altitude less than 30 degrees above the horizon

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 00h 41m 14s   Dec: +72° 08’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Cassiopeia   current altitude greater than 30 degrees above the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 15h 44m 13s   Dec: +12° 32’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Serpens   object currently below the horizon

Comet C/2018 A3 (ATLAS)

C/2018 A3 (ATLAS)
R.A: 01h 43m 56s   Dec: +17° 00’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2019 V1 (Borisov)

C/2019 V1 (Borisov)
R.A: 09h 21m 19s   Dec: +54° 12’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet P/2019 Y2 (Fuls)

P/2019 Y2 (Fuls)
R.A: 14h 05m 05s   Dec: -10° 30’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL) 
in Virgo   object currently below the horizon

Comet C/2020 N1 (PANSTARRS)

C/2020 N1 (PANSTARRS)
R.A: 00h 36m 42s   Dec: +42° 06’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.1 (JPL)  brightening
in Andromeda   current altitude greater than 30 degrees above the horizon

Comet 114P/Wiseman-Skiff

114P/Wiseman-Skiff
R.A: 10h 35m 58s   Dec: -05° 47’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Sextans   object currently below the horizon

Comet 22P/Kopff

22P/Kopff
R.A: 09h 25m 33s   Dec: +16° 25’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Leo   object currently below the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 15h 22m 07s   Dec: -05° 38’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Libra   object currently below the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 19h 58m 03s   Dec: -25° 33’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Sagittarius   object currently below the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 08h 57m 34s   Dec: +17° 50’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Cancer   current altitude less than 30 degrees above the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 17h 43m 47s   Dec: -27° 31’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 08h 45m 31s   Dec: +24° 32’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Cancer   current altitude less than 30 degrees above the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 02h 47m 30s   Dec: -29° 53’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Fornax   current altitude less than 30 degrees above the horizon

Comet C/2018 Y1 (Iwamoto)

C/2018 Y1 (Iwamoto)
R.A: 01h 27m 15s   Dec: +27° 21’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2019 J2 (Palomar)

C/2019 J2 (Palomar)
R.A: 11h 54m 21s   Dec: -22° 13’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Crater   object currently below the horizon

Comet C/2019 Q4 (Borisov)

C/2019 Q4 (Borisov)
R.A: 13h 52m 44s   Dec: -57° 45’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Centaurus   object currently below the horizon

Comet 7P/Pons-Winnecke

7P/Pons-Winnecke
R.A: 09h 43m 38s   Dec: +27° 06’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.3 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon
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