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Comets

Browse and discover detailed information about 176 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 R3 (Lemmon)

C/2018 R3 (Lemmon)
R.A: 08h 56m 34s   Dec: -35° 16’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL)  fading
in Pyxis   object currently below the horizon

Comet 25D/Neujmin 2

25D/Neujmin 2
R.A: 19h 49m 12s   Dec: -24° 03’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.7 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 119P/Parker-Hartley

119P/Parker-Hartley
R.A: 19h 33m 19s   Dec: -21° 04’ 31”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 20.9 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet C/2019 K4

C/2019 K4
R.A: 00h 27m 44s   Dec: -30° 28’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.1 (JPL)  fading
in Sculptor   object currently below the horizon

Comet 294P/LINEAR

294P/LINEAR
R.A: 20h 16m 06s   Dec: -32° 34’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.1 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2018 F1 (Grauer)

C/2018 F1 (Grauer)
R.A: 22h 35m 23s   Dec: +07° 57’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.3 (JPL)  fading
in Pegasus   current altitude less than 30 degrees above the horizon

Comet C/2017 T3 (ATLAS)

C/2017 T3 (ATLAS)
R.A: 16h 08m 49s   Dec: +09° 47’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.3 (JPL)  fading
in Serpens   object currently below the horizon

Comet 110P/Hartley 3

110P/Hartley 3
R.A: 22h 46m 37s   Dec: +00° 02’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.4 (JPL)  brightening
in Aquarius   current altitude less than 30 degrees above the horizon

Comet C/2018 L2 (ATLAS)

C/2018 L2 (ATLAS)
R.A: 03h 05m 40s   Dec: +26° 53’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL)  fading
in Aries   current altitude greater than 30 degrees above the horizon

Comet C/2019 J3 (ATLAS)

C/2019 J3 (ATLAS)
R.A: 14h 46m 47s   Dec: +53° 01’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL)  fading
in Bootes   current altitude less than 30 degrees above the horizon

Comet 7P/Pons-Winnecke

7P/Pons-Winnecke
R.A: 07h 38m 49s   Dec: +35° 13’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.5 (JPL) 
in Lynx   current altitude greater than 30 degrees above the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 16h 09m 32s   Dec: -06° 24’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.6 (JPL)  brightening
in Ophiucus   object currently below the horizon

Comet 16P/Brooks 2

16P/Brooks 2
R.A: 19h 20m 55s   Dec: -19° 57’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.7 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet C/2017 S7 (Lemmon)

C/2017 S6 (Lemmon)
R.A: 02h 56m 13s   Dec: -30° 30’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.8 (JPL) 
in Fornax   current altitude less than 30 degrees above the horizon

Comet 21P/Giacobini-Zinner

21P/Giacobini-Zinner
R.A: 10h 14m 07s   Dec: -11° 37’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.8 (JPL)  fading
in Hydra   object currently below the horizon

Comet 67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko
R.A: 18h 44m 27s   Dec: -26° 06’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 21.9 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet C/2012 K1 (PANSTARRS)

C/2012 K1 (PANSTARRS)
R.A: 21h 53m 35s   Dec: -16° 31’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.0 (JPL) 
in Capricornus   object currently below the horizon

Comet 48P/Johnson

48P/Johnson
R.A: 05h 46m 20s   Dec: +21° 25’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.0 (JPL)  fading
in Taurus   current altitude greater than 30 degrees above the horizon

Comet 14P/Wolf

14P/Wolf
R.A: 07h 55m 54s   Dec: -08° 45’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.0 (JPL)  fading
in Monoceros   current altitude less than 30 degrees above the horizon

Comet C/2013 US10 (CATALINA)

C/2013 US10 (CATALINA)
R.A: 02h 26m 12s   Dec: +36° 58’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.1 (JPL) 
in Triangulum   current altitude greater than 30 degrees above the horizon
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