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🌎 Location: Greenwich, United Kingdom [change]

Comets

Browse and discover detailed information about 168 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/2018 W2 (Africano)

C/2018 W2 (Africano)
R.A: 22h 13m 23s   Dec: -27° 30’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 11.8 (JPL)  fading
in Pisces Austrinus   object currently below the horizon

Comet C/2017 T2 (PANSTARRS)

C/2017 T2 (PANSTARRS)
R.A: 05h 39m 51s   Dec: +30° 54’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 12.7 (JPL)  brightening
in Auriga   current altitude greater than 30 degrees above the horizon

Comet C/2018 N2 (ASASSN)

C/2018 N2 (ASASSN)
R.A: 01h 20m 34s   Dec: +35° 46’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 12.8 (JPL)  brightening
in Andromeda   current altitude less than 30 degrees above the horizon

Comet 260P/McNaught

260P/McNaught
R.A: 02h 49m 47s   Dec: +45° 47’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 13.8 (JPL)  fading
in Perseus   current altitude greater than 30 degrees above the horizon

Comet 29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
R.A: 00h 37m 55s   Dec: +15° 06’ 56”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.7 (JPL) 
in Pisces   current altitude less than 30 degrees above the horizon

Comet 68P/Klemola

68P/Klemola
R.A: 18h 53m 38s   Dec: -15° 15’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.9 (JPL) 
in Scutum   object currently below the horizon

Comet C/2018 A6 (Gibbs)

C/2018 A6 (Gibbs)
R.A: 12h 58m 49s   Dec: -85° 19’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.2 (JPL) 
in Octans   object currently below the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 23h 01m 54s   Dec: -40° 09’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.8 (JPL)  fading
in Grus   object currently below the horizon

Comet P/2010 H2 (Vales)

P/2010 H2 (Vales)
R.A: 20h 17m 21s   Dec: -34° 13’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.0 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 168P/Hergenrother

168P/Hergenrother
R.A: 07h 03m 48s   Dec: +52° 36’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.2 (JPL)  fading
in Lynx   current altitude greater than 30 degrees above the horizon

Comet C/2019 K1 (ATLAS)

C/2019 K1
R.A: 15h 11m 15s   Dec: -46° 09’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.4 (JPL)  brightening
in Lupus   object currently below the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 13h 54m 44s   Dec: -47° 47’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.5 (JPL)  fading
in Centaurus   object currently below the horizon

Comet C/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 07h 02m 08s   Dec: -32° 42’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.6 (JPL) 
in Canis Majoris   current altitude less than 30 degrees above the horizon

Comet C/2019 K7 (Smith)

C/2019 K7
R.A: 20h 05m 01s   Dec: -27° 12’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.6 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 78P/Gehrels 2

78P/Gehrels 2
R.A: 09h 00m 09s   Dec: +11° 02’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.6 (JPL) 
in Cancer   current altitude greater than 30 degrees above the horizon

Comet C/2018 F4 (PANSTARRS)

C/2018 F4 (PANSTARRS)
R.A: 12h 06m 33s   Dec: -66° 27’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.7 (JPL) 
in Musca   object currently below the horizon

Comet C/2019 Q4 (Borisov)

C/2019 Q4
R.A: 09h 54m 29s   Dec: +16° 21’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.7 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet 25D/Neujmin 2

25D/Neujmin 2
R.A: 13h 32m 13s   Dec: -12° 59’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.9 (JPL)  fading
in Virgo   object currently below the horizon

Comet C/2019 K5 (Young)

C/2019 K5
R.A: 03h 32m 42s   Dec: +01° 56’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.1 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet C/2019 N1 (ATLAS)

C/2019 N1
R.A: 16h 28m 54s   Dec: +69° 08’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.3 (JPL)  brightening
in Draco   current altitude greater than 30 degrees above the horizon
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