The Solar System at your Fingertips

Comets

Browse and discover detailed information about 135 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/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
C/2017 S3 (PANSTARRS) is brighter than mag 10
R.A: 09h 37m 30s   Dec: +01° 43’ 54”
Magnitude 8.0 fading in Hydra   object currently below the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 10h 01m 13s   Dec: -28° 56’ 32”
Magnitude 12.0 fading in Antlia   object currently below the horizon

Comet C/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 14h 46m 25s   Dec: -57° 18’ 35”
Magnitude 12.0 fading in Circinus   object currently below the horizon

Comet 21P/Giacobini-Zinner

21P/Giacobini-Zinner
R.A: 02h 53m 04s   Dec: +63° 54’ 05”
Magnitude 12.4 brightening in Cassiopeia   current altitude greater than 30 degrees above the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 00h 07m 30s   Dec: +14° 54’ 06”
Magnitude 12.6 brightening in Pegasus   current altitude greater than 30 degrees above the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 22h 41m 04s   Dec: -24° 39’ 26”
Magnitude 13.1 in Aquarius   object currently below the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 04h 08m 59s   Dec: +05° 10’ 56”
Magnitude 13.4 brightening in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
R.A: 08h 44m 58s   Dec: +23° 41’ 18”
Magnitude 13.5 in Cancer   current altitude less than 30 degrees above the horizon

Comet 78P/Gehrels 2

78P/Gehrels 2
R.A: 21h 44m 18s   Dec: -03° 59’ 16”
Magnitude 13.6 brightening in Aquarius   current altitude less than 30 degrees above the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 01h 19m 53s   Dec: -14° 51’ 23”
Magnitude 14.0 fading in Cetus   current altitude less than 30 degrees above the horizon

Comet 29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
R.A: 23h 11m 39s   Dec: +01° 24’ 30”
Magnitude 14.5 in Pisces   current altitude less than 30 degrees above the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 10h 12m 46s   Dec: +51° 56’ 04”
Magnitude 14.5 fading in Ursa Major   current altitude less than 30 degrees above the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 23h 37m 35s   Dec: +05° 52’ 35”
Magnitude 14.5 fading in Pisces   current altitude less than 30 degrees above the horizon

Comet P/2010 H2 (Vales)

P/2010 H2 (Vales)
R.A: 15h 41m 18s   Dec: -22° 47’ 37”
Magnitude 14.7 fading in Libra   object currently below the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 02h 47m 44s   Dec: -34° 58’ 50”
Magnitude 14.9 fading in Fornax   current altitude less than 30 degrees above the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 16h 27m 27s   Dec: +27° 04’ 07”
Magnitude 15.2 in Hercules   object currently below the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 14h 18m 31s   Dec: -13° 40’ 35”
Magnitude 15.3 brightening in Virgo   object currently below the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 12h 45m 52s   Dec: -64° 16’ 18”
Magnitude 15.4 in Crux   object currently below the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 11h 44m 58s   Dec: +39° 43’ 11”
Magnitude 15.6 fading in Ursa Major   current altitude less than 30 degrees above the horizon

Comet C/2018 N2 (ASASSN)

C/2018 N2 (ASASSN)
R.A: 03h 13m 08s   Dec: -43° 25’ 54”
Magnitude 15.9 brightening in Eridanus   object currently below the horizon
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