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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 17P/Holmes

17P/Holmes
R.A: 13h 59m 10s   Dec: -32° 15’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  brightening
in Centaurus   object currently below the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 01h 10m 09s   Dec: +10° 40’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.8 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2017 Y2 (PANSTARRS)

C/2017 Y2 (PANSTARRS)
R.A: 21h 45m 13s   Dec: +37° 07’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL) 
in Cygnus   current altitude greater than 30 degrees above the horizon

Comet C/2016 Q2 (PANSTARRS)

C/2016 Q2 (PANSTARRS)
R.A: 20h 30m 37s   Dec: +09° 59’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL)  brightening
in Delphinus   current altitude greater than 30 degrees above the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 04h 48m 53s   Dec: +27° 39’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet C/2017 K6 (Jacques)

C/2017 K6 (Jacques)
R.A: 07h 20m 03s   Dec: +63° 57’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.2 (JPL)  fading
in Camelopardalis   current altitude greater than 30 degrees above the horizon

Comet C/2015 ER61 (PANSTARRS)

C/2015 ER61 (PANSTARRS)
R.A: 04h 42m 02s   Dec: +19° 32’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.4 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet C/2017 S7 (Lemmon)

C/2017 S6 (Lemmon)
R.A: 03h 28m 59s   Dec: -18° 17’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL) 
in Eridanus   object currently below the horizon

Comet C/2018 E2 (Barros)

C/2018 E2 (Barros)
R.A: 04h 03m 42s   Dec: -00° 18’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL)  fading
in Eridanus   current altitude less than 30 degrees above the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 05h 25m 36s   Dec: +50° 51’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  brightening
in Auriga   current altitude less than 30 degrees above the horizon

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

C/2018 V1 (Machholz-Fujikawa-Iwamoto)
R.A: 20h 23m 19s   Dec: -33° 01’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  fading
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 16h 12m 41s   Dec: -21° 36’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  brightening
in Scorpius   object currently below the horizon

Comet C/2017 K4 (ATLAS)

C/2017 K4 (ATLAS)
R.A: 01h 24m 43s   Dec: +24° 55’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet Encke (2P/Encke)

Encke's Comet
R.A: 22h 57m 35s   Dec: -04° 32’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL)  brightening
in Aquarius   current altitude greater than 30 degrees above the horizon

Comet 88P/Howell

88P/Howell
R.A: 09h 22m 21s   Dec: +21° 18’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Leo   object currently below the horizon

Comet C/2013 X1 (PANSTARRS)

C/2013 X1 (PANSTARRS)
R.A: 12h 15m 45s   Dec: -18° 23’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL)  fading
in Corvus   object currently below the horizon

Comet C/2016 A3 (PANSTARRS)

C/2016 A3 (PANSTARRS)
R.A: 16h 05m 45s   Dec: -14° 34’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Scorpius   object currently below the horizon

Comet 290P/Jager

290P/Jager
R.A: 19h 33m 16s   Dec: -27° 07’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.1 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet 22P/Kopff

22P/Kopff
R.A: 06h 32m 17s   Dec: +21° 53’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.2 (JPL)  fading
in Gemini   object currently below the horizon

Comet C/2012 K1 (PANSTARRS)

C/2012 K1 (PANSTARRS)
R.A: 21h 56m 05s   Dec: -17° 39’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.2 (JPL) 
in Capricornus   current altitude less than 30 degrees above the horizon
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