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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 51P/Harrington

51P/Harrington
R.A: 11h 36m 23s   Dec: +07° 53’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.7 (JPL)  fading
in Leo   current altitude greater than 30 degrees above the horizon

Comet 40P/Vaisala 1

40P/Vaisala 1
R.A: 00h 09m 30s   Dec: -07° 29’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.7 (JPL) 
in Cetus   object currently below the horizon

Comet 15P/Finlay

15P/Finlay
R.A: 12h 33m 48s   Dec: -04° 24’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.9 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet 319P/Catalina-McNaught

319P/Catalina-McNaught
R.A: 09h 40m 36s   Dec: +21° 27’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.0 (JPL) 
in Leo   current altitude greater than 30 degrees above the horizon

Comet 104P/Kowal 2

104P/Kowal 2
R.A: 16h 51m 02s   Dec: -17° 18’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.2 (JPL) 
in Ophiucus   object currently below the horizon

Comet 252P/LINEAR

252P/LINEAR
R.A: 01h 09m 10s   Dec: +08° 08’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.3 (JPL)  brightening
in Pisces   object currently below the horizon

Comet 249P/LINEAR

249P/LINEAR
R.A: 09h 25m 25s   Dec: +08° 03’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.4 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet 108P/Ciffreo

108P/Ciffreo
R.A: 15h 57m 14s   Dec: -25° 21’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.5 (JPL) 
in Scorpius   object currently below the horizon

Comet C/2017 S2 (PANSTARRS)

C/2017 S2 (PANSTARRS)
R.A: 06h 38m 55s   Dec: +29° 13’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.5 (JPL)  fading
in Auriga   current altitude greater than 30 degrees above the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 23h 44m 29s   Dec: -11° 44’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.0 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet 134P/Kowal-Vavrova

134P/Kowal-Vavrova
R.A: 01h 38m 14s   Dec: +10° 22’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.2 (JPL) 
in Pisces   object currently below the horizon

Comet 18D/Perrine-Mrkos

18D/Perrine-Mrkos
R.A: 11h 48m 42s   Dec: -11° 24’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.3 (JPL)  fading
in Crater   current altitude less than 30 degrees above the horizon

Comet 20D/Westphal

20D/Westphal
R.A: 13h 40m 25s   Dec: -50° 13’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.3 (JPL) 
in Centaurus   object currently below the horizon

Comet 154P/Brewington

154P/Brewington
R.A: 13h 12m 32s   Dec: -22° 26’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.6 (JPL) 
in Virgo   object currently below the horizon

Comet 41P/Tuttle-Giacobini-Kresak

41P/Tuttle-Giacobini-Kresak
R.A: 01h 50m 09s   Dec: +03° 05’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.7 (JPL) 
in Pisces   object currently below the horizon

Comet 8P/Tuttle

8P/Tuttle
R.A: 20h 06m 52s   Dec: +30° 40’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.9 (JPL)  brightening
in Cygnus   object currently below the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 08h 52m 00s   Dec: +16° 08’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.2 (JPL)  fading
in Cancer   current altitude greater than 30 degrees above the horizon

Comet 92P/Sanguin

92P/Sanguin
R.A: 09h 49m 26s   Dec: +03° 37’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.6 (JPL)  fading
in Sextans   current altitude greater than 30 degrees above the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 17h 28m 17s   Dec: -23° 16’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.2 (JPL)  fading
in Ophiucus   object currently below the horizon

Comet 213P/Van Ness

213P/Van Ness
R.A: 07h 04m 13s   Dec: +26° 57’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.7 (JPL)  fading
in Gemini   current altitude greater than 30 degrees above the horizon
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