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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 60P/Tsuchinshan 2

60P/Tsuchinshan 2
R.A: 11h 22m 32s   Dec: -02° 24’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.7 (JPL)  fading
in Leo   object currently below the horizon

Comet C/2018 F4 (PANSTARRS)

C/2018 F4 (PANSTARRS)
R.A: 12h 22m 07s   Dec: -58° 20’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.8 (JPL) 
in Crux   object currently below the horizon

Comet C/2017 K2 (PANSTARRS)

C/2017 K2 (PANSTARRS)
R.A: 18h 08m 59s   Dec: +57° 15’ 39”
Observed Magnitude 16.8 (COBS)
Estimated Magnitude 17.9 (JPL) 
in Draco   current altitude greater than 30 degrees above the horizon

Comet 74P/Smirnova-Chernykh

74P/Smirnova-Chernykh
R.A: 15h 47m 03s   Dec: -16° 08’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.2 (JPL) 
in Libra   object currently below the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 10h 29m 53s   Dec: +39° 00’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.8 (JPL)  fading
in Leo Minor   current altitude less than 30 degrees above the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 15h 48m 54s   Dec: -02° 17’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.9 (JPL)  fading
in Serpens   object currently below the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 03h 08m 49s   Dec: +09° 39’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.9 (JPL)  fading
in Cetus   current altitude greater than 30 degrees above the horizon

Comet C/2018 F1 (Grauer)

C/2018 F1 (Grauer)
R.A: 20h 13m 09s   Dec: +26° 25’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.0 (JPL)  fading
in Vulpecula   current altitude greater than 30 degrees above the horizon

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 04h 17m 22s   Dec: +66° 27’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.1 (JPL)  fading
in Camelopardalis   current altitude greater than 30 degrees above the horizon

Comet C/2018 Y1 (Iwamoto)

C/2018 Y1 (Iwamoto)
R.A: 04h 25m 46s   Dec: +33° 33’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL)  fading
in Perseus   current altitude greater than 30 degrees above the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 07h 06m 31s   Dec: +46° 01’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL)  brightening
in Lynx   current altitude greater than 30 degrees above the horizon

Comet 25D/Neujmin 2

25D/Neujmin 2
R.A: 04h 27m 25s   Dec: +24° 12’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL)  brightening
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2019 F1 (ATLAS-Africano)

Comet C/2019 F1
R.A: 13h 59m 15s   Dec: +08° 28’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.4 (JPL) 
in Bootes   object currently below the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 01h 23m 49s   Dec: +03° 09’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.6 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2014 F3 (Sheppard-Trujillo)

C/2014 F3 (Sheppard-Trujillo)
R.A: 18h 32m 35s   Dec: -29° 09’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.7 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 01h 55m 16s   Dec: -33° 35’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.9 (JPL)  fading
in Fornax   current altitude less than 30 degrees above the horizon

Comet C/2019 B3 (PANSTARRS)

C/2019 B3 (PANSTARRS)
R.A: 11h 30m 46s   Dec: -41° 03’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL) 
in Centaurus   object currently below the horizon

Comet 17P/Holmes

17P/Holmes
R.A: 13h 22m 06s   Dec: -33° 06’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL) 
in Centaurus   object currently below the horizon

Comet C/2016 N4 (MASTER)

C/2016 N4 (MASTER)
R.A: 11h 24m 18s   Dec: +45° 26’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL)  fading
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet 21P/Giacobini-Zinner

21P/Giacobini-Zinner
R.A: 07h 13m 24s   Dec: -06° 01’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.3 (JPL)  fading
in Monoceros   object currently below the horizon
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