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Comets

Browse and discover detailed information about 167 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
R.A: 13h 52m 46s   Dec: +39° 49’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.2 (JPL)  fading
in Canes Venatici   current altitude greater than 30 degrees above the horizon

Comet C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
R.A: 06h 40m 30s   Dec: -31° 43’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.3 (JPL) 
in Canis Majoris   object currently below the horizon

Comet 261P/Larson

261P/Larson
R.A: 03h 13m 23s   Dec: +25° 25’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.3 (JPL) 
in Aries   current altitude less than 30 degrees above the horizon

Comet C/2017 K2 (PANSTARRS)

C/2017 K2 (PANSTARRS)
R.A: 17h 09m 20s   Dec: +55° 00’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.4 (JPL)  brightening
in Draco   current altitude greater than 30 degrees above the horizon

Comet C/2019 K4

C/2019 K4
R.A: 01h 06m 32s   Dec: +28° 21’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.4 (JPL)  brightening
in Pisces   current altitude less than 30 degrees above the horizon

Comet C/2018 A3 (ATLAS)

C/2018 A3 (ATLAS)
R.A: 04h 14m 25s   Dec: +49° 36’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.5 (JPL) 
in Perseus   current altitude less than 30 degrees above the horizon

Comet C/2018 X2 (Fitzsimmons)

C/2018 X2 (Fitzsimmons)
R.A: 10h 33m 26s   Dec: +08° 52’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.5 (JPL) 
in Leo   object currently below the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 09h 09m 21s   Dec: +27° 10’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.7 (JPL) 
in Cancer   object currently below the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 14h 48m 59s   Dec: +28° 28’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.9 (JPL)  fading
in Bootes   current altitude greater than 30 degrees above the horizon

Comet C/2019 N1 (ATLAS)

C/2019 N1
R.A: 16h 58m 20s   Dec: +81° 21’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.0 (JPL)  brightening
in Ursa Minor   current altitude greater than 30 degrees above the horizon

Comet 74P/Smirnova-Chernykh

74P/Smirnova-Chernykh
R.A: 15h 22m 06s   Dec: -17° 18’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.1 (JPL)  fading
in Libra   current altitude less than 30 degrees above the horizon

Comet 123P/West-Hartley

123P/West-Hartley
R.A: 13h 07m 57s   Dec: -04° 24’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.1 (JPL)  fading
in Virgo   object currently below the horizon

Comet C/2019 F1 (ATLAS-Africano)

C/2019 F1
R.A: 13h 39m 59s   Dec: +01° 32’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.2 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2014 F3 (Sheppard-Trujillo)

C/2014 F3 (Sheppard-Trujillo)
R.A: 18h 00m 22s   Dec: -28° 55’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2019 L3 (ATLAS)

C/2019 L3
R.A: 22h 33m 16s   Dec: +47° 26’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL) 
in Lacerta   current altitude greater than 30 degrees above the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 02h 55m 20s   Dec: +11° 14’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL) 
in Aries   object currently below the horizon

Comet C/2017 Y2 (PANSTARRS)

C/2017 Y2 (PANSTARRS)
R.A: 20h 25m 33s   Dec: +43° 48’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  brightening
in Cygnus   current altitude greater than 30 degrees above the horizon

Comet C/2019 J3 (ATLAS)

C/2019 J3 (ATLAS)
R.A: 15h 24m 20s   Dec: -00° 06’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  fading
in Serpens   current altitude less than 30 degrees above the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 14h 59m 35s   Dec: -39° 50’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.6 (JPL)  fading
in Centaurus   object currently below the horizon

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 05h 24m 16s   Dec: +73° 56’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.6 (JPL) 
in Camelopardalis   current altitude greater than 30 degrees above the horizon
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