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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 78P/Gehrels 2

78P/Gehrels 2
R.A: 09h 25m 38s   Dec: +05° 50’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.1 (JPL)  fading
in Hydra   object currently below the horizon

Comet C/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 05h 47m 33s   Dec: -30° 05’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.1 (JPL)  fading
in Columba   object currently below the horizon

Comet C/2019 L3 (ATLAS)

C/2019 L3 (ATLAS)
R.A: 22h 28m 35s   Dec: +40° 23’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.7 (JPL)  brightening
in Lacerta   current altitude greater than 30 degrees above the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 08h 28m 51s   Dec: +23° 56’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.8 (JPL) 
in Cancer   object currently below the horizon

Comet 117P/Helin-Roman-Alu 1

117P/Helin-Roman-Alu 1
R.A: 10h 52m 25s   Dec: +18° 35’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.2 (JPL)  brightening
in Leo   object currently below the horizon

Comet P/2019 Y2 (Fuls)

P/2019 Y2 (Fuls)
R.A: 13h 06m 21s   Dec: -00° 20’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.2 (JPL)  brightening
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2017 Y2 (PANSTARRS)

C/2017 Y2 (PANSTARRS)
R.A: 19h 47m 29s   Dec: +19° 57’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.4 (JPL)  brightening
in Vulpecula   current altitude greater than 30 degrees above the horizon

Comet C/2014 F3 (Sheppard-Trujillo)

C/2014 F3 (Sheppard-Trujillo)
R.A: 19h 26m 57s   Dec: -25° 31’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.4 (JPL)  brightening
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
R.A: 04h 31m 22s   Dec: -54° 40’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  fading
in Dorado   object currently below the horizon

Comet C/2019 T3 (ATLAS)

C/2019 T3 (ATLAS)
R.A: 00h 58m 37s   Dec: +76° 24’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.6 (JPL) 
in Cassiopeia   current altitude greater than 30 degrees above the horizon

Comet C/2019 Y4 (ATLAS)

C/2019 Y4 (ATLAS)
R.A: 11h 51m 57s   Dec: +37° 00’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.6 (JPL)  brightening
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet 210P/Christensen

210P/Christensen
R.A: 21h 11m 20s   Dec: -21° 20’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.7 (JPL)  brightening
in Capricornus   current altitude less than 30 degrees above the horizon

Comet C/2019 B3 (PANSTARRS)

C/2019 B3 (PANSTARRS)
R.A: 12h 43m 31s   Dec: -59° 51’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.7 (JPL)  brightening
in Crux   object currently below the horizon

Comet C/2018 A3 (ATLAS)

C/2018 A3 (ATLAS)
R.A: 00h 56m 04s   Dec: +24° 13’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.7 (JPL)  fading
in Andromeda   current altitude less than 30 degrees above the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 02h 08m 56s   Dec: +10° 17’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.8 (JPL)  fading
in Cetus   object currently below the horizon

Comet C/2019 V1 (Borisov)

C/2019 V1 (Borisov)
R.A: 04h 58m 25s   Dec: +33° 29’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.8 (JPL) 
in Auriga   object currently below the horizon

Comet 297P/Beshore (2008 J2)

297P/Beshore (2008 J2)
R.A: 09h 58m 30s   Dec: +22° 05’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.8 (JPL)  brightening
in Leo   object currently below the horizon

Comet C/2019 K5 (Young)

C/2019 K5 (Young)
R.A: 03h 16m 27s   Dec: +00° 58’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.9 (JPL)  fading
in Cetus   object currently below the horizon

Comet C/2019 T4 (ATLAS)

C/2019 T4 (ATLAS)
R.A: 06h 17m 32s   Dec: -35° 42’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.9 (JPL) 
in Columba   object currently below the horizon

Comet 74P/Smirnova-Chernykh

74P/Smirnova-Chernykh
R.A: 18h 06m 22s   Dec: -24° 13’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.0 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon
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