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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 37P/Forbes

37P/Forbes
R.A: 00h 59m 25s   Dec: +14° 13’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.2 (JPL)  fading
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 53P/Van Biesbroeck

53P/Van Biesbroeck
R.A: 03h 30m 18s   Dec: +12° 19’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.3 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet 10P/Tempel 2

10P/Tempel 2
R.A: 10h 01m 57s   Dec: +20° 13’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL) 
in Leo   object currently below the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 12h 38m 49s   Dec: +27° 32’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL)  fading
in Coma   object currently below the horizon

Comet C/2013 US10 (CATALINA)

C/2013 US10 (CATALINA)
R.A: 02h 26m 06s   Dec: +38° 50’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL)  fading
in Andromeda   current altitude greater than 30 degrees above the horizon

Comet P/2017 P1 (PANSTARRS)

P/2017 P1 (PANSTARRS)
R.A: 23h 58m 22s   Dec: +04° 03’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.6 (JPL) 
in Pisces   current altitude greater than 30 degrees above the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 21h 17m 26s   Dec: -00° 08’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.7 (JPL)  fading
in Aquarius   current altitude greater than 30 degrees above the horizon

Comet C/2014 W2 (PANSTARRS)

C/2014 W2 (PANSTARRS)
R.A: 17h 03m 58s   Dec: -43° 43’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.7 (JPL) 
in Scorpius   object currently below the horizon

Comet 217P/LINEAR

217P/LINEAR
R.A: 10h 58m 10s   Dec: +16° 11’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.7 (JPL)  fading
in Leo   object currently below the horizon

Comet 9P/Tempel 1

9P/Tempel 1
R.A: 03h 14m 17s   Dec: +16° 50’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.9 (JPL) 
in Aries   current altitude less than 30 degrees above the horizon

Comet C/2016 T3 (PANSTARRS)

C/2016 T3 (PANSTARRS)
R.A: 13h 19m 19s   Dec: -34° 05’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.0 (JPL) 
in Centaurus   object currently below the horizon

Comet 4P/Faye

4P/Faye
R.A: 16h 37m 05s   Dec: -16° 14’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet 354P/LINEAR

354P/LINEAR
R.A: 21h 45m 38s   Dec: -13° 29’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL) 
in Capricornus   current altitude less than 30 degrees above the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 12h 31m 04s   Dec: -13° 30’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL) 
in Corvus   object currently below the horizon

Comet C/2015 B1 (PANSTARRS)

C/2015 B1 (PANSTARRS)
R.A: 18h 01m 35s   Dec: -40° 37’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.2 (JPL)  brightening
in Corona Australis   object currently below the horizon

Comet 71P/Clark

71P/Clark
R.A: 02h 47m 51s   Dec: +15° 49’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.3 (JPL)  fading
in Aries   current altitude less than 30 degrees above the horizon

Comet 297P/Beshore (2008 J2)

297P/Beshore (2008 J2)
R.A: 05h 12m 25s   Dec: +21° 59’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.3 (JPL) 
in Taurus   current altitude less than 30 degrees above the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 07h 30m 57s   Dec: +09° 45’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.6 (JPL)  fading
in Canis Minoris   object currently below the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 16h 28m 57s   Dec: +38° 19’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.6 (JPL) 
in Hercules   current altitude less than 30 degrees above the horizon

Comet 81P/Wild 2

81P/Wild 2
R.A: 23h 01m 50s   Dec: -07° 39’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL) 
in Aquarius   current altitude greater than 30 degrees above the horizon
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