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Comets

Browse and discover detailed information about 144 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 15P/Finlay

15P/Finlay
R.A: 13h 18m 57s   Dec: -08° 16’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.2 (JPL)  brightening
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2018 O1 (ATLAS)

C/2018 O1 (ATLAS)
R.A: 14h 34m 56s   Dec: -42° 54’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.3 (JPL)  fading
in Lupus   object currently below the horizon

Comet 92P/Sanguin

92P/Sanguin
R.A: 09h 43m 05s   Dec: +00° 22’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.3 (JPL) 
in Sextans   current altitude greater than 30 degrees above the horizon

Comet 52P/Harrington-Abell

52P/Harrington-Abell
R.A: 21h 29m 00s   Dec: -17° 57’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.1 (JPL) 
in Capricornus   object currently below the horizon

Comet 252P/LINEAR

252P/LINEAR
R.A: 23h 36m 03s   Dec: -00° 36’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.1 (JPL) 
in Pisces   object currently below the horizon

Comet 108P/Ciffreo

108P/Ciffreo
R.A: 16h 47m 14s   Dec: -24° 49’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.6 (JPL)  brightening
in Scorpius   object currently below the horizon

Comet C/2017 P2 (PANSTARRS)

C/2017 P2 (PANSTARRS)
R.A: 01h 16m 38s   Dec: -22° 25’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.8 (JPL)  fading
in Cetus   object currently below the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 08h 33m 20s   Dec: +16° 40’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.4 (JPL) 
in Cancer   current altitude greater than 30 degrees above the horizon

Comet 41P/Tuttle-Giacobini-Kresak

41P/Tuttle-Giacobini-Kresak
R.A: 00h 09m 22s   Dec: -05° 08’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.5 (JPL)  fading
in Pisces   object currently below the horizon

Comet 213P/Van Ness

213P/Van Ness
R.A: 04h 22m 14s   Dec: +30° 01’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.9 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 03h 23m 36s   Dec: +27° 35’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.2 (JPL) 
in Aries   current altitude less than 30 degrees above the horizon

Comet C/2014 Q2 (Lovejoy)

C/2014 Q2 (Lovejoy)
R.A: 18h 16m 34s   Dec: -00° 40’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.5 (JPL)  fading
in Serpens   object currently below the horizon

Comet 8P/Tuttle

8P/Tuttle
R.A: 20h 10m 50s   Dec: +16° 51’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.5 (JPL)  brightening
in Sagitta   object currently below the horizon

Comet C/2015 D4 (Borisov)

C/2015 D4 (Borisov)
R.A: 20h 34m 32s   Dec: +84° 21’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.3 (JPL) 
in Draco   current altitude greater than 30 degrees above the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 20h 42m 47s   Dec: -21° 58’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.7 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet P/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 23h 34m 04s   Dec: -02° 02’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.8 (JPL) 
in Pisces   object currently below the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 40m 10s   Dec: -21° 53’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.1 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova
R.A: 15h 53m 48s   Dec: -17° 30’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.7 (JPL) 
in Libra   object currently below the horizon

Comet 40P/Vaisala 1

40P/Vaisala 1
R.A: 23h 18m 27s   Dec: -10° 52’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.9 (JPL) 
in Aquarius   object currently below the horizon

Comet C/2017 E1 (Borisov)

C/2017 E1 (Borisov)
R.A: 04h 34m 49s   Dec: +07° 58’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 39.1 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon
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