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Comets

Browse and discover detailed information about 123 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/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 18h 21m 05s   Dec: -39° 26’ 53”
Magnitude 11.3 brightening in Corona Australis   object currently below the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 04h 44m 06s   Dec: +11° 39’ 10”
Magnitude 12.5 brightening in Orion   object currently below the horizon

Comet C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
R.A: 08h 08m 55s   Dec: +39° 25’ 05”
Magnitude 13.4 in Lynx   current altitude less than 30 degrees above the horizon

Comet P/2013 CU129 (PANSTARRS)

P/2013 CU129 (PANSTARRS)
R.A: 08h 47m 26s   Dec: +05° 44’ 50”
Magnitude 13.6 brightening in Hydra   object currently below the horizon

Comet P/2010 H2 (Vales)

P/2010 H2 (Vales)
R.A: 15h 37m 05s   Dec: -20° 07’ 17”
Magnitude 14.0 fading in Libra   current altitude less than 30 degrees above the horizon

Comet C/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
R.A: 02h 16m 54s   Dec: +59° 09’ 08”
Magnitude 14.1 brightening in Cassiopeia   current altitude greater than 30 degrees above the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 07h 15m 06s   Dec: +51° 00’ 58”
Magnitude 14.2 fading in Lynx   current altitude less than 30 degrees above the horizon

Comet 29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
R.A: 23h 19m 40s   Dec: +00° 46’ 35”
Magnitude 14.8 in Pisces   current altitude less than 30 degrees above the horizon

Comet 21P/Giacobini-Zinner

21P/Giacobini-Zinner
R.A: 21h 05m 39s   Dec: +44° 23’ 42”
Magnitude 14.9 brightening in Cygnus   current altitude greater than 30 degrees above the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 12h 00m 45s   Dec: +49° 58’ 19”
Magnitude 15.1 fading in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 17h 56m 19s   Dec: +45° 08’ 48”
Magnitude 15.4 in Hercules   current altitude greater than 30 degrees above the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 11h 58m 36s   Dec: -65° 41’ 18”
Magnitude 15.5 in Musca   object currently below the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 02h 10m 20s   Dec: -03° 13’ 22”
Magnitude 15.7 brightening in Cetus   object currently below the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 23h 25m 03s   Dec: -15° 09’ 46”
Magnitude 15.9 in Aquarius   object currently below the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 13h 47m 51s   Dec: -35° 17’ 50”
Magnitude 16.0 brightening in Centaurus   object currently below the horizon

Comet 240P/NEAT

240P/NEAT
R.A: 05h 29m 46s   Dec: +24° 49’ 16”
Magnitude 16.1 in Taurus   object currently below the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 01h 52m 10s   Dec: -44° 35’ 30”
Magnitude 16.1 fading in Phoenix   object currently below the horizon

Comet C/2017 K4 (ATLAS)

C/2017 K4 (ATLAS)
R.A: 00h 44m 11s   Dec: +19° 50’ 35”
Magnitude 16.7 fading in Pisces   current altitude less than 30 degrees above the horizon

Comet 24P/Schaumasse

24P/Schaumasse
R.A: 15h 36m 16s   Dec: -15° 31’ 14”
Magnitude 16.9 fading in Libra   current altitude less than 30 degrees above the horizon

Comet C/2018 A3 (ATLAS)

C/2018 A3 (ATLAS)
R.A: 10h 25m 52s   Dec: +34° 59’ 36”
Magnitude 17.1 in Leo Minor   current altitude less than 30 degrees above the horizon
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