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Comets

Browse and discover detailed information about 169 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 294P/LINEAR

294P/LINEAR
R.A: 06h 12m 20s   Dec: +31° 02’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  brightening
in Auriga   current altitude less than 30 degrees above the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 11h 52m 18s   Dec: +24° 21’ 29”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.3 (JPL)  fading
in Leo   object currently below the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 21h 18m 03s   Dec: -62° 53’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL) 
in Pavo   object currently below the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 03h 34m 36s   Dec: +26° 39’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Taurus   current altitude less than 30 degrees above the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 03h 09m 50s   Dec: +23° 59’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Aries   current altitude less than 30 degrees above the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 12h 45m 52s   Dec: +06° 38’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Virgo   object currently below the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 23h 44m 59s   Dec: +17° 47’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  fading
in Pegasus   current altitude greater than 30 degrees above the horizon

Comet 116P/Wild 4

116P/Wild 4
R.A: 01h 49m 59s   Dec: +11° 12’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL)  brightening
in Aries   current altitude less than 30 degrees above the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 05h 13m 17s   Dec: +21° 05’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL) 
in Taurus   current altitude less than 30 degrees above the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 08h 29m 03s   Dec: +09° 40’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Cancer   object currently below the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 09h 54m 02s   Dec: +17° 54’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL)  fading
in Leo   object currently below the horizon

Comet 19P/Borrelly

19P/Borrelly
R.A: 16h 59m 45s   Dec: -25° 04’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL) 
in Ophiucus   object currently below the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 18h 57m 13s   Dec: -32° 35’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 09m 25s   Dec: +37° 54’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.8 (JPL)  fading
in Leo Minor   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 10h 54m 48s   Dec: +06° 04’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.8 (JPL)  fading
in Leo   object currently below the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 19h 28m 44s   Dec: -35° 02’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.9 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/1995 O1 (Hale-Bopp)

C/1995 O1 (Hale-Bopp)
R.A: 00h 16m 20s   Dec: -85° 11’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL) 
in Octans   object currently below the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 10h 21m 21s   Dec: -07° 36’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.4 (JPL)  fading
in Sextans   object currently below the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 02h 29m 50s   Dec: +25° 36’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.5 (JPL)  fading
in Aries   current altitude greater than 30 degrees above the horizon

Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto)

C/2018 V1 (Machholz-Fujikawa-Iwamoto)
R.A: 17h 29m 03s   Dec: -60° 06’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL)  fading
in Ara   object currently below the horizon
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