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Comets

Browse and discover detailed information about 175 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/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 23m 39s   Dec: -12° 46’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.9 (JPL) 
in Cetus   object currently below the horizon

Comet 51P/Harrington

51P/Harrington
R.A: 13h 19m 27s   Dec: -02° 23’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.9 (JPL)  brightening
in Virgo   object currently below the horizon

Comet 13P/Olbers

13P/Olbers
R.A: 01h 02m 50s   Dec: -40° 38’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.1 (JPL) 
in Phoenix   object currently below the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 02h 07m 10s   Dec: +24° 59’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL)  fading
in Aries   current altitude less than 30 degrees above the horizon

Comet 23P/Brorsen-Metcalf

23P/Brorsen-Metcalf
R.A: 17h 23m 17s   Dec: -37° 57’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.6 (JPL) 
in Scorpius   object currently below the horizon

Comet 46P/Wirtanen

46P/Wirtanen
R.A: 15h 46m 27s   Dec: -12° 52’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.7 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon

Comet C/2019 B1 (Africano)

C/2019 B1 (Africano)
R.A: 01h 07m 50s   Dec: -48° 32’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.1 (JPL)  fading
in Phoenix   object currently below the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 19h 52m 34s   Dec: -26° 43’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.4 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet C/2018 K1 (Weiland)

C/2018 K1 (Weiland)
R.A: 12h 42m 44s   Dec: +13° 58’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.7 (JPL)  fading
in Coma   current altitude less than 30 degrees above the horizon

Comet C/2017 S6 (Catalina)

C/2017 S6 (Catalina)
R.A: 15h 18m 43s   Dec: -44° 41’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.8 (JPL) 
in Lupus   object currently below the horizon

Comet C/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
R.A: 13h 49m 37s   Dec: +56° 54’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.2 (JPL)  fading
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet C/2017 T1 (Heinze)

C/2017 T1 (Heinze)
R.A: 19h 24m 04s   Dec: -82° 57’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.3 (JPL)  fading
in Octans   object currently below the horizon

Comet 8P/Tuttle

8P/Tuttle
R.A: 20h 23m 23s   Dec: +22° 28’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.6 (JPL)  brightening
in Vulpecula   current altitude greater than 30 degrees above the horizon

Comet C/2017 S2 (PANSTARRS)

C/2017 S2 (PANSTARRS)
R.A: 06h 58m 47s   Dec: +32° 44’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.7 (JPL)  fading
in Gemini   object currently below the horizon

Comet 20D/Westphal

20D/Westphal
R.A: 14h 07m 31s   Dec: -51° 40’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.2 (JPL) 
in Centaurus   object currently below the horizon

Comet 18D/Perrine-Mrkos

18D/Perrine-Mrkos
R.A: 13h 36m 00s   Dec: -21° 29’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.8 (JPL) 
in Virgo   object currently below the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 09h 18m 12s   Dec: +14° 18’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.1 (JPL) 
in Cancer   object currently below the horizon

Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto)

C/2018 V1 (Machholz-Fujikawa-Iwamoto)
R.A: 17h 20m 15s   Dec: -50° 07’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.6 (JPL)  fading
in Ara   object currently below the horizon

Comet P/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 00h 26m 45s   Dec: -02° 41’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.1 (JPL) 
in Cetus   current altitude less than 30 degrees above the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 19h 05m 27s   Dec: -24° 14’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.9 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon
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