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Comets

Browse and discover detailed information about 169 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 25D/Neujmin 2

25D/Neujmin 2
R.A: 06h 59m 38s   Dec: +23° 24’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.9 (JPL)  brightening
in Gemini   object currently below the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 14h 45m 48s   Dec: +41° 31’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.1 (JPL)  fading
in Bootes   current altitude less than 30 degrees above the horizon

Comet C/2018 W1 (Catalina)

C/2018 W1 (Catalina)
R.A: 06h 41m 48s   Dec: -34° 36’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.1 (JPL)  fading
in Puppis   object currently below the horizon

Comet C/2018 X2 (Fitzsimmons)

C/2018 X2 (Fitzsimmons)
R.A: 08h 16m 28s   Dec: +27° 29’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.2 (JPL) 
in Cancer   object currently below the horizon

Comet C/2019 K1 (ATLAS)

C/2019 K1
R.A: 16h 19m 58s   Dec: -30° 22’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.3 (JPL)  brightening
in Scorpius   object currently below the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 08h 47m 52s   Dec: +32° 31’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.3 (JPL)  fading
in Cancer   object currently below the horizon

Comet 74P/Smirnova-Chernykh

74P/Smirnova-Chernykh
R.A: 15h 15m 31s   Dec: -15° 22’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.4 (JPL)  fading
in Libra   object currently below the horizon

Comet C/2018 A3 (ATLAS)

C/2018 A3 (ATLAS)
R.A: 04h 17m 03s   Dec: +48° 36’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.4 (JPL) 
in Perseus   current altitude greater than 30 degrees above the horizon

Comet 261P/Larson

261P/Larson
R.A: 01h 23m 22s   Dec: +14° 05’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.4 (JPL)  brightening
in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2017 K2 (PANSTARRS)

C/2017 K2 (PANSTARRS)
R.A: 17h 40m 42s   Dec: +58° 40’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.6 (JPL) 
in Draco   current altitude greater than 30 degrees above the horizon

Comet C/2019 J3 (ATLAS)

C/2019 J3 (ATLAS)
R.A: 18h 16m 45s   Dec: -23° 45’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.6 (JPL)  brightening
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2019 J1 (Lemmon)

C/2019 J1
R.A: 20h 25m 08s   Dec: -26° 54’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.0 (JPL) 
in Capricornus   current altitude less than 30 degrees above the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 02h 55m 04s   Dec: +48° 34’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.0 (JPL)  fading
in Perseus   current altitude greater than 30 degrees above the horizon

Comet C/2019 F1 (ATLAS-Africano)

C/2019 F1
R.A: 13h 37m 38s   Dec: +06° 46’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL) 
in Virgo   object currently below the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 11h 00m 52s   Dec: +30° 07’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL)  fading
in Leo Minor   object currently below the horizon

Comet C/2014 F3 (Sheppard-Trujillo)

C/2014 F3 (Sheppard-Trujillo)
R.A: 18h 20m 01s   Dec: -29° 31’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.4 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 04h 53m 03s   Dec: +67° 48’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  fading
in Camelopardalis   current altitude greater than 30 degrees above the horizon

Comet C/2018 F1 (Grauer)

C/2018 F1 (Grauer)
R.A: 20h 27m 30s   Dec: +31° 57’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.6 (JPL) 
in Cygnus   current altitude greater than 30 degrees above the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 02h 17m 26s   Dec: +08° 22’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.7 (JPL) 
in Cetus   current altitude less than 30 degrees above the horizon

5D/Brorsen (Lost)

5D/Brorsen (Lost)
R.A: 19h 24m 41s   Dec: -25° 44’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.7 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon
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