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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/1995 O1 (Hale-Bopp)

C/1995 O1 (Hale-Bopp)
R.A: 23h 40m 40s   Dec: -86° 26’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.2 (JPL) 
in Octans   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 11h 25m 42s   Dec: +02° 30’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.3 (JPL)  fading
in Leo   object currently below the horizon

Comet 7P/Pons-Winnecke

7P/Pons-Winnecke
R.A: 07h 57m 47s   Dec: +26° 28’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL)  brightening
in Gemini   current altitude greater than 30 degrees above the horizon

Comet Halley (1P/Halley)

Halley's Comet
R.A: 08h 25m 26s   Dec: +02° 35’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 02h 52m 44s   Dec: +29° 00’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.8 (JPL) 
in Aries   current altitude greater than 30 degrees above the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 03h 02m 12s   Dec: -11° 08’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.1 (JPL) 
in Eridanus   current altitude less than 30 degrees above the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 04h 19m 57s   Dec: +22° 47’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.2 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 10h 50m 55s   Dec: -11° 31’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.2 (JPL)  fading
in Sextans   object currently below the horizon

Comet 11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR
R.A: 16h 48m 14s   Dec: -14° 38’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.4 (JPL) 
in Ophiucus   object currently below the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 18h 37m 40s   Dec: -29° 25’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.8 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 226P/Pigott-LINEAR-Kowalski

226P/Pigott-LINEAR-Kowalski
R.A: 13h 47m 22s   Dec: +09° 52’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.1 (JPL) 
in Bootes   object currently below the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 23h 50m 23s   Dec: -14° 37’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.1 (JPL)  brightening
in Aquarius   current altitude less than 30 degrees above the horizon

Comet C/2017 S6 (Catalina)

C/2017 S6 (Catalina)
R.A: 14h 24m 14s   Dec: -41° 37’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.2 (JPL)  fading
in Centaurus   object currently below the horizon

Comet 52P/Harrington-Abell

52P/Harrington-Abell
R.A: 22h 03m 00s   Dec: -14° 07’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL) 
in Aquarius   object currently below the horizon

Comet 13P/Olbers

13P/Olbers
R.A: 01h 35m 56s   Dec: -42° 07’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.4 (JPL)  brightening
in Phoenix   object currently below the horizon

Comet C/2018 K1 (Weiland)

C/2018 K1 (Weiland)
R.A: 12h 17m 41s   Dec: +12° 35’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.5 (JPL)  fading
in Virgo   object currently below the horizon

Comet 12P/Pons-Brooks

12P/Pons-Brooks
R.A: 17h 41m 01s   Dec: +16° 54’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.5 (JPL) 
in Hercules   object currently below the horizon

Comet 23P/Brorsen-Metcalf

23P/Brorsen-Metcalf
R.A: 17h 08m 33s   Dec: -38° 16’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.5 (JPL) 
in Scorpius   object currently below the horizon

Comet C/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
R.A: 12h 07m 53s   Dec: +49° 35’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.6 (JPL)  fading
in Ursa Major   current altitude less than 30 degrees above the horizon

Comet 40P/Vaisala 1

40P/Vaisala 1
R.A: 00h 03m 01s   Dec: -08° 45’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.7 (JPL) 
in Cetus   current altitude less than 30 degrees above the horizon
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