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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 209P/LINEAR

209P/LINEAR
R.A: 15h 08m 16s   Dec: -40° 38’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.8 (JPL)  fading
in Lupus   object currently below the horizon

Comet C/2019 J1 (Lemmon)

C/2019 J1
R.A: 20h 05m 59s   Dec: -38° 37’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.8 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 04h 00m 08s   Dec: +49° 41’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.9 (JPL)  fading
in Perseus   current altitude less than 30 degrees above the horizon

5D/Brorsen (Lost)

5D/Brorsen (Lost)
R.A: 18h 39m 13s   Dec: -27° 27’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.0 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2018 F1 (Grauer)

C/2018 F1 (Grauer)
R.A: 20h 01m 29s   Dec: +25° 33’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL)  fading
in Vulpecula   current altitude less than 30 degrees above the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 12h 06m 56s   Dec: +19° 22’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL)  fading
in Coma   current altitude greater than 30 degrees above the horizon

Comet C/2016 Q2 (PANSTARRS)

C/2016 Q2 (PANSTARRS)
R.A: 19h 36m 20s   Dec: +22° 59’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL) 
in Vulpecula   current altitude less than 30 degrees above the horizon

Comet C/2019 B3 (PANSTARRS)

C/2019 B3 (PANSTARRS)
R.A: 11h 36m 58s   Dec: -40° 09’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL) 
in Centaurus   object currently below the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 02h 35m 27s   Dec: -37° 14’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL) 
in Fornax   object currently below the horizon

Comet 117P/Helin-Roman-Alu 1

117P/Helin-Roman-Alu 1
R.A: 09h 32m 43s   Dec: +22° 00’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.3 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon

Comet C/2019 E3 (ATLAS)

C/2019 E3 (ATLAS)
R.A: 10h 09m 46s   Dec: -34° 59’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.4 (JPL) 
in Antlia   object currently below the horizon

Comet Encke (2P/Encke)

Encke's Comet
R.A: 00h 15m 18s   Dec: +07° 58’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  brightening
in Pisces   object currently below the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 14h 52m 53s   Dec: +03° 44’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL)  fading
in Virgo   current altitude greater than 30 degrees above the horizon

Comet C/2016 N4 (MASTER)

C/2016 N4 (MASTER)
R.A: 11h 36m 10s   Dec: +29° 46’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL)  fading
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 01h 51m 14s   Dec: +17° 15’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.0 (JPL)  brightening
in Aries   object currently below the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 05h 57m 02s   Dec: +16° 55’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL) 
in Orion   object currently below the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 11h 54m 56s   Dec: +16° 16’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.4 (JPL)  fading
in Leo   current altitude greater than 30 degrees above the horizon

Comet 88P/Howell

88P/Howell
R.A: 10h 34m 10s   Dec: +12° 37’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon

Comet 28P/Neujmin 1

28P/Neujmin 1
R.A: 12h 47m 51s   Dec: -13° 53’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL) 
in Corvus   current altitude less than 30 degrees above the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 07h 23m 07s   Dec: +27° 27’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL)  brightening
in Gemini   current altitude less than 30 degrees above the horizon
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