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Comets

Browse and discover detailed information about 108 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: 01h 21m 47s   Dec: +05° 34’ 45”
Magnitude 16.8 fading in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 18h 38m 07s   Dec: +45° 29’ 24”
Magnitude 17.1 in Lyra   current altitude greater than 30 degrees above the horizon

Comet 71P/Clark

71P/Clark
R.A: 21h 19m 41s   Dec: -24° 56’ 48”
Magnitude 17.3 fading in Capricornus   current altitude less than 30 degrees above the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 13h 26m 08s   Dec: -40° 05’ 22”
Magnitude 17.4 brightening in Centaurus   object currently below the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 21h 44m 17s   Dec: +69° 30’ 30”
Magnitude 17.4 brightening in Cepheus   current altitude greater than 30 degrees above the horizon

Comet 53P/Van Biesbroeck

53P/Van Biesbroeck
R.A: 01h 47m 43s   Dec: +03° 20’ 28”
Magnitude 18.5 fading in Pisces   current altitude greater than 30 degrees above the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 00h 36m 14s   Dec: +16° 16’ 15”
Magnitude 18.7 fading in Pisces   current altitude greater than 30 degrees above the horizon

Comet C/2013 X1 (PANSTARRS)

C/2013 X1 (PANSTARRS)
R.A: 13h 07m 16s   Dec: -22° 18’ 23”
Magnitude 18.9 in Virgo   object currently below the horizon

Comet C/2017 T2 (PANSTARRS)

C/2017 T2 (PANSTARRS)
R.A: 03h 11m 02s   Dec: -16° 53’ 07”
Magnitude 19.1 in Eridanus   current altitude less than 30 degrees above the horizon

Comet C/2013 US10 (CATALINA)

C/2013 US10 (CATALINA)
R.A: 03h 05m 00s   Dec: +47° 28’ 15”
Magnitude 19.2 fading in Perseus   current altitude greater than 30 degrees above the horizon

Comet 117P/Helin-Roman-Alu 1

117P/Helin-Roman-Alu 1
R.A: 06h 19m 04s   Dec: +28° 33’ 25”
Magnitude 19.2 in Auriga   current altitude less than 30 degrees above the horizon

Comet C/2017 K2 (PANSTARRS)

C/2017 K2 (PANSTARRS)
R.A: 17h 28m 33s   Dec: +56° 22’ 43”
Magnitude 19.4 in Draco   current altitude greater than 30 degrees above the horizon

Comet C/2014 W2 (PANSTARRS)

C/2014 W2 (PANSTARRS)
R.A: 16h 28m 45s   Dec: -25° 53’ 56”
Magnitude 19.5 fading in Scorpius   object currently below the horizon

Comet C/2017 S7 (Lemmon)

C/2017 S6 (Lemmon)
R.A: 04h 54m 36s   Dec: +04° 00’ 52”
Magnitude 19.6 in Orion   current altitude less than 30 degrees above the horizon

Comet C/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
R.A: 18h 54m 34s   Dec: +61° 07’ 58”
Magnitude 19.7 brightening in Draco   current altitude greater than 30 degrees above the horizon

Comet C/2012 K1 (PANSTARRS)

C/2012 K1 (PANSTARRS)
R.A: 21h 50m 23s   Dec: -20° 58’ 01”
Magnitude 19.9 in Capricornus   current altitude less than 30 degrees above the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 14h 32m 57s   Dec: -17° 37’ 03”
Magnitude 20.1 in Libra   object currently below the horizon

Comet 9P/Tempel 1

9P/Tempel 1
R.A: 01h 08m 31s   Dec: -02° 18’ 36”
Magnitude 20.1 fading in Cetus   current altitude greater than 30 degrees above the horizon

Comet C/2016 A3 (PANSTARRS)

C/2016 A3 (PANSTARRS)
R.A: 13h 09m 36s   Dec: -06° 58’ 12”
Magnitude 20.1 in Virgo   object currently below the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 14h 02m 19s   Dec: +33° 34’ 29”
Magnitude 20.2 in Canes   object currently below the horizon
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