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Comets

Browse and discover detailed information about 138 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 C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 05h 53m 23s   Dec: +27° 30’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL) 
in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2014 F3 (Sheppard-Trujillo)

C/2014 F3 (Sheppard-Trujillo)
R.A: 16h 44m 50s   Dec: -27° 57’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL) 
in Scorpius   object currently below the horizon

Comet 117P/Helin-Roman-Alu 1

117P/Helin-Roman-Alu 1
R.A: 08h 29m 48s   Dec: +26° 04’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.6 (JPL)  brightening
in Cancer   current altitude greater than 30 degrees above the horizon

Comet C/2018 E2 (Barros)

C/2018 E2 (Barros)
R.A: 05h 47m 37s   Dec: -15° 51’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.8 (JPL) 
in Lepus   current altitude less than 30 degrees above the horizon

Comet C/2016 Q2 (PANSTARRS)

C/2016 Q2 (PANSTARRS)
R.A: 20h 08m 44s   Dec: +06° 31’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.9 (JPL) 
in Aquila   object currently below the horizon

Comet C/2017 S7 (Lemmon)

C/2017 S6 (Lemmon)
R.A: 04h 30m 23s   Dec: -13° 35’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL)  brightening
in Eridanus   current altitude less than 30 degrees above the horizon

Comet C/2017 Y2 (PANSTARRS)

C/2017 Y2 (PANSTARRS)
R.A: 21h 46m 33s   Dec: +49° 07’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.3 (JPL) 
in Cygnus   current altitude less than 30 degrees above the horizon

Comet 53P/Van Biesbroeck

53P/Van Biesbroeck
R.A: 04h 04m 13s   Dec: +13° 00’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.4 (JPL) 
in Taurus   current altitude less than 30 degrees above the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 23h 51m 42s   Dec: +16° 17’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.5 (JPL)  fading
in Pegasus   object currently below the horizon

Comet Encke (2P/Encke)

Encke's Comet
R.A: 22h 02m 09s   Dec: -10° 31’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.6 (JPL)  fading
in Aquarius   object currently below the horizon

Comet 17P/Holmes

17P/Holmes
R.A: 12h 46m 00s   Dec: -18° 18’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL) 
in Corvus   current altitude less than 30 degrees above the horizon

Comet C/2012 K1 (PANSTARRS)

C/2012 K1 (PANSTARRS)
R.A: 21h 43m 27s   Dec: -19° 55’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL) 
in Capricornus   object currently below the horizon

Comet 71P/Clark

71P/Clark
R.A: 03h 22m 55s   Dec: +15° 12’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL) 
in Aries   current altitude less than 30 degrees above the horizon

Comet P/2017 P1 (PANSTARRS)

P/2017 P1 (PANSTARRS)
R.A: 23h 07m 55s   Dec: +01° 40’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL) 
in Pisces   object currently below the horizon

Comet 290P/Jager

290P/Jager
R.A: 18h 34m 04s   Dec: -29° 43’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2013 US10 (CATALINA)

C/2013 US10 (CATALINA)
R.A: 03h 05m 47s   Dec: +44° 29’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL) 
in Perseus   current altitude greater than 30 degrees above the horizon

Comet C/2013 X1 (PANSTARRS)

C/2013 X1 (PANSTARRS)
R.A: 12h 19m 56s   Dec: -16° 23’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.8 (JPL) 
in Corvus   current altitude less than 30 degrees above the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 15h 07m 58s   Dec: -18° 34’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL) 
in Libra   object currently below the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 12h 12m 12s   Dec: +25° 30’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL)  fading
in Coma   current altitude greater than 30 degrees above the horizon

Comet C/2016 A3 (PANSTARRS)

C/2016 A3 (PANSTARRS)
R.A: 14h 30m 49s   Dec: -10° 32’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.0 (JPL) 
in Libra   object currently below the horizon
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