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Comets

Browse and discover detailed information about 168 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 354P/LINEAR

354P/LINEAR
R.A: 01h 28m 59s   Dec: +18° 47’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL)  brightening
in Pisces   object currently below the horizon

Comet 123P/West-Hartley

123P/West-Hartley
R.A: 14h 34m 32s   Dec: -15° 27’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL)  fading
in Libra   current altitude less than 30 degrees above the horizon

Comet C/2016 Q2 (PANSTARRS)

C/2016 Q2 (PANSTARRS)
R.A: 19h 14m 34s   Dec: +20° 52’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL) 
in Sagitta   current altitude less than 30 degrees above the horizon

Comet C/2019 E3 (ATLAS)

C/2019 E3 (ATLAS)
R.A: 10h 23m 31s   Dec: -38° 12’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.3 (JPL)  brightening
in Antlia   object currently below the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 11h 24m 11s   Dec: -00° 19’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.4 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon

Comet C/2019 D1 (Flewelling)

C/2019 D1 (Flewelling)
R.A: 00h 45m 08s   Dec: +35° 38’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.4 (JPL)  fading
in Andromeda   object currently below the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 02h 15m 02s   Dec: -40° 25’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.5 (JPL) 
in Phoenix   object currently below the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 13h 07m 07s   Dec: +11° 55’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.5 (JPL)  fading
in Virgo   current altitude greater than 30 degrees above the horizon

5D/Brorsen (Lost)

5D/Brorsen (Lost)
R.A: 18h 37m 48s   Dec: -27° 24’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.5 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 03h 34m 44s   Dec: +47° 47’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  fading
in Perseus   current altitude less than 30 degrees above the horizon

Comet 88P/Howell

88P/Howell
R.A: 11h 39m 22s   Dec: +05° 50’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.7 (JPL)  brightening
in Virgo   current altitude greater than 30 degrees above the horizon

Comet C/2019 J3 (ATLAS)

C/2019 J3 (ATLAS)
R.A: 15h 23m 03s   Dec: +05° 45’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL)  fading
in Serpens   current altitude greater than 30 degrees above the horizon

Comet C/2018 F1 (Grauer)

C/2018 F1 (Grauer)
R.A: 20h 09m 53s   Dec: +13° 46’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL)  fading
in Aquila   current altitude less than 30 degrees above the horizon

Comet C/2019 J1 (Lemmon)

C/2019 J1
R.A: 20h 31m 17s   Dec: -38° 10’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  fading
in Microscopium   object currently below the horizon

Comet C/2016 N4 (MASTER)

C/2016 N4 (MASTER)
R.A: 12h 02m 04s   Dec: +25° 06’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL) 
in Coma   current altitude greater than 30 degrees above the horizon

Comet 28P/Neujmin 1

28P/Neujmin 1
R.A: 13h 27m 39s   Dec: -17° 50’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 06h 33m 14s   Dec: +16° 37’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Gemini   current altitude less than 30 degrees above the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 15h 17m 40s   Dec: +02° 00’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  fading
in Serpens   current altitude greater than 30 degrees above the horizon

Comet C/2018 W1 (Catalina)

C/2018 W1 (Catalina)
R.A: 14h 15m 11s   Dec: -31° 01’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  fading
in Centaurus   current altitude less than 30 degrees above the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 08h 00m 00s   Dec: +27° 13’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL) 
in Gemini   current altitude less than 30 degrees above the horizon
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