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Comets

Browse and discover detailed information about 167 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 N2 (ASASSN)

C/2018 N2 (ASASSN)
R.A: 02h 39m 54s   Dec: +20° 36’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 13.1 (JPL)  brightening
in Aries   object currently below the horizon

Comet C/2017 T2 (PANSTARRS)

C/2017 T2 (PANSTARRS)
R.A: 05h 11m 52s   Dec: +21° 23’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 13.3 (JPL)  brightening
in Taurus   object currently below the horizon

Comet C/2018 W2 (Africano)

C/2018 W2 (Africano)
R.A: 03h 54m 18s   Dec: +57° 21’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 13.3 (JPL)  brightening
in Camelopardalis   current altitude less than 30 degrees above the horizon

Comet 168P/Hergenrother

168P/Hergenrother
R.A: 04h 20m 40s   Dec: +33° 43’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 13.5 (JPL)  fading
in Perseus   object currently below the horizon

Comet 260P/McNaught

260P/McNaught
R.A: 02h 01m 01s   Dec: +14° 47’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 13.8 (JPL)  brightening
in Aries   object currently below the horizon

Comet 29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
R.A: 00h 59m 21s   Dec: +16° 16’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.9 (JPL) 
in Pisces   object currently below the horizon

Comet C/2018 A6 (Gibbs)

C/2018 A6 (Gibbs)
R.A: 08h 44m 42s   Dec: -64° 20’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 14.9 (JPL) 
in Carina   object currently below the horizon

Comet 68P/Klemola

68P/Klemola
R.A: 17h 22m 53s   Dec: -08° 18’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.2 (JPL) 
in Ophiucus   current altitude less than 30 degrees above the horizon

Comet P/2010 H2 (Vales)

P/2010 H2 (Vales)
R.A: 20h 23m 27s   Dec: -36° 14’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.4 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 23h 59m 38s   Dec: -46° 02’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.4 (JPL)  fading
in Phoenix   object currently below the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 13h 33m 58s   Dec: -42° 52’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 15.9 (JPL)  fading
in Centaurus   object currently below the horizon

Comet 25D/Neujmin 2

25D/Neujmin 2
R.A: 10h 35m 33s   Dec: +06° 51’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.0 (JPL) 
in Leo   current altitude less than 30 degrees above the horizon

Comet 78P/Gehrels 2

78P/Gehrels 2
R.A: 07h 30m 58s   Dec: +17° 24’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.3 (JPL)  fading
in Gemini   current altitude less than 30 degrees above the horizon

Comet C/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 06h 54m 19s   Dec: -29° 00’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.3 (JPL) 
in Canis Majoris   object currently below the horizon

Comet C/2019 K7 (Smith)

C/2019 K7
R.A: 20h 55m 41s   Dec: -33° 47’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.5 (JPL) 
in Microscopium   object currently below the horizon

Comet C/2019 K5 (Young)

C/2019 K5
R.A: 03h 04m 25s   Dec: +09° 44’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.5 (JPL) 
in Cetus   object currently below the horizon

Comet C/2018 F4 (PANSTARRS)

C/2018 F4 (PANSTARRS)
R.A: 11h 10m 18s   Dec: -55° 12’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.7 (JPL) 
in Centaurus   object currently below the horizon

Comet C/2019 K1 (ATLAS)

C/2019 K1
R.A: 14h 55m 29s   Dec: -37° 37’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 16.8 (JPL)  brightening
in Centaurus   current altitude less than 30 degrees above the horizon

Comet C/2018 R3 (Lemmon)

C/2018 R3 (Lemmon)
R.A: 09h 52m 29s   Dec: +17° 58’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.0 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet C/2019 J2 (Palomar)

C/2019 J2
R.A: 13h 53m 27s   Dec: +38° 22’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.2 (JPL)  fading
in Canes Venatici   current altitude greater than 30 degrees above the horizon
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