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Comets

Browse and discover detailed information about 207 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 C/2021 C5 (PANSTARRS)

C/2021 C5 (PANSTARRS)
R.A: 10h 48m 09s   Dec: -06° 51’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL)  brightening
in Sextans   object currently below the horizon

Comet 156P/Russell-LINEAR

156P/Russell-LINEAR
R.A: 12h 33m 33s   Dec: +09° 44’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.1 (JPL) 
in Virgo   object currently below the horizon

Comet 157P/Tritton

157P/Tritton
R.A: 21h 12m 12s   Dec: -07° 23’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL) 
in Aquarius   object currently below the horizon

Comet 61P/Shajn-Schaldach

61P/Shajn-Schaldach
R.A: 19h 00m 36s   Dec: -19° 04’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Sagittarius   object currently below the horizon

Comet 74P/Smirnova-Chernykh

74P/Smirnova-Chernykh
R.A: 21h 42m 50s   Dec: -19° 38’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL)  fading
in Capricornus   object currently below the horizon

Comet 118P/Shoemaker-Levy 4

118P/Shoemaker-Levy 4
R.A: 22h 11m 47s   Dec: -15° 30’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet 325P/Yang-Gao

325P/Yang-Gao
R.A: 12h 58m 51s   Dec: -21° 16’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  brightening
in Corvus   object currently below the horizon

Comet C/2020 T4 (PANSTARRS)

C/2020 T4 (PANSTARRS)
R.A: 16h 02m 14s   Dec: +13° 46’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  fading
in Serpens   object currently below the horizon

Comet 71P/Clark

71P/Clark
R.A: 10h 49m 35s   Dec: +18° 33’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  brightening
in Leo   object currently below the horizon

Comet 103P/Hartley 2

103P/Hartley 2
R.A: 11h 10m 09s   Dec: +08° 49’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  brightening
in Leo   object currently below the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 16h 16m 20s   Dec: -16° 55’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL) 
in Scorpius   object currently below the horizon

Comet 204P/LINEAR-NEAT

204P/LINEAR-NEAT
R.A: 22h 54m 57s   Dec: -13° 40’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL)  fading
in Aquarius   current altitude less than 30 degrees above the horizon

Comet C/2021 A2

C/2021 A2
R.A: 19h 27m 01s   Dec: +62° 58’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL)  fading
in Draco   current altitude greater than 30 degrees above the horizon

Comet C/2018 A6 (Gibbs)

C/2018 A6 (Gibbs)
R.A: 22h 11m 11s   Dec: +02° 11’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL)  fading
in Aquarius   current altitude less than 30 degrees above the horizon

Comet 201P/LONEOS

201P/LONEOS
R.A: 12h 40m 19s   Dec: -01° 17’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL)  fading
in Virgo   object currently below the horizon

Comet 51P/Harrington

51P/Harrington
R.A: 16h 35m 55s   Dec: -20° 56’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.2 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet C/2020 N1 (PANSTARRS)

C/2020 N1 (PANSTARRS)
R.A: 14h 20m 54s   Dec: -37° 40’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.3 (JPL)  fading
in Centaurus   object currently below the horizon

Comet Encke (2P/Encke)

Encke's Comet
R.A: 21h 47m 03s   Dec: -12° 42’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.4 (JPL)  fading
in Capricornus   object currently below the horizon

Comet 319P/Catalina-McNaught

319P/Catalina-McNaught
R.A: 16h 08m 29s   Dec: -12° 27’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL)  brightening
in Scorpius   object currently below the horizon

Comet C/2021 C3 (Catalina)

C/2021 C3 (Catalina)
R.A: 13h 06m 58s   Dec: +71° 17’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL)  fading
in Ursa Minor   current altitude greater than 30 degrees above the horizon
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