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Comets

Browse and discover detailed information about 197 of the most interesting comets. Comets are listed in order of decreasing brightness.

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 71P/Clark

71P/Clark
R.A: 07h 18m 36s   Dec: +29° 23’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.5 (JPL) 
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 30P/Reinmuth 1

30P/Reinmuth 1
R.A: 21h 48m 23s   Dec: -15° 37’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.5 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet 104P/Kowal 2

104P/Kowal 2
R.A: 22h 13m 12s   Dec: -04° 58’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet 14P/Wolf

14P/Wolf
R.A: 09h 55m 44s   Dec: -07° 11’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL) 
in Sextans   current altitude less than 30 degrees above the horizon

Comet 199P/Shoemaker 4

199P/Shoemaker 4
R.A: 11h 12m 29s   Dec: +32° 39’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.8 (JPL) 
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet 68P/Klemola

68P/Klemola
R.A: 05h 53m 24s   Dec: +14° 06’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL)  fading
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 12h 06m 46s   Dec: -11° 13’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.2 (JPL)  fading
in Virgo   current altitude less than 30 degrees above the horizon

Comet 51P/Harrington

51P/Harrington
R.A: 14h 26m 28s   Dec: -09° 30’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.2 (JPL)  brightening
in Libra   object currently below the horizon

Comet 21P/Giacobini-Zinner

21P/Giacobini-Zinner
R.A: 11h 22m 42s   Dec: -05° 25’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet 217P/LINEAR

217P/LINEAR
R.A: 12h 33m 55s   Dec: +10° 28’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  fading
in Virgo   current altitude less than 30 degrees above the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 17h 42m 30s   Dec: -20° 32’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL) 
in Ophiucus   object currently below the horizon

Comet C/2020 F3 (NEOWISE)

C/2020 F3 (NEOWISE)
R.A: 15h 21m 44s   Dec: -27° 24’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Libra   object currently below the horizon

Comet C/2019 Q4 (Borisov)

C/2019 Q4 (Borisov)
R.A: 17h 12m 09s   Dec: -61° 54’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL) 
in Ara   object currently below the horizon

Comet 114P/Wiseman-Skiff

114P/Wiseman-Skiff
R.A: 13h 35m 05s   Dec: -30° 20’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL)  fading
in Centaurus   object currently below the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 14h 44m 08s   Dec: -12° 18’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL) 
in Libra   object currently below the horizon

Comet 290P/Jager

290P/Jager
R.A: 20h 38m 08s   Dec: -18° 54’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Capricornus   object currently below the horizon

Comet 210P/Christensen

210P/Christensen
R.A: 15h 52m 33s   Dec: -12° 08’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Libra   object currently below the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 08h 24m 42s   Dec: +24° 02’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Cancer   current altitude greater than 30 degrees above the horizon

Comet 53P/Van Biesbroeck

53P/Van Biesbroeck
R.A: 05h 47m 28s   Dec: +18° 18’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 23h 06m 17s   Dec: +01° 37’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL)  brightening
in Pisces   object currently below the horizon
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