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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 16P/Brooks 2

16P/Brooks 2
R.A: 15h 30m 41s   Dec: -16° 03’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Libra   current altitude less than 30 degrees above the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 15h 53m 42s   Dec: +38° 17’ 49”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Corona Borealis   current altitude greater than 30 degrees above the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 20h 42m 25s   Dec: -64° 21’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL)  fading
in Pavo   object currently below the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 12h 21m 14s   Dec: -06° 32’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2019 B1 (Africano)

C/2019 B1 (Africano)
R.A: 05h 52m 05s   Dec: -24° 47’ 53”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  fading
in Lepus   object currently below the horizon

Comet C/2016 T3 (PANSTARRS)

C/2016 T3 (PANSTARRS)
R.A: 13h 06m 20s   Dec: -26° 58’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  fading
in Hydra   current altitude less than 30 degrees above the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 03h 46m 45s   Dec: +28° 48’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Taurus   object currently below the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 13h 14m 18s   Dec: +02° 07’ 13”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 10h 02m 46s   Dec: +08° 16’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 04h 36m 52s   Dec: +30° 38’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL) 
in Taurus   object currently below the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 12h 13m 12s   Dec: +18° 29’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL)  fading
in Coma   current altitude greater than 30 degrees above the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 06h 19m 38s   Dec: +21° 22’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL) 
in Orion   object currently below the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 23h 31m 33s   Dec: +19° 15’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL) 
in Pegasus   object currently below the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 09h 37m 47s   Dec: +04° 37’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 10h 38m 39s   Dec: +14° 20’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL) 
in Leo   current altitude less than 30 degrees above the horizon

Comet 19P/Borrelly

19P/Borrelly
R.A: 16h 32m 57s   Dec: -25° 35’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL) 
in Scorpius   current altitude less than 30 degrees above the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 22m 25s   Dec: +35° 44’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL) 
in Leo Minor   current altitude greater than 30 degrees above the horizon

Comet 46P/Wirtanen

46P/Wirtanen
R.A: 12h 52m 00s   Dec: +03° 10’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  fading
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 18h 04m 11s   Dec: -33° 22’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL) 
in Sagittarius   object currently below the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 18h 36m 52s   Dec: -37° 05’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL)  fading
in Corona Australis   object currently below the horizon
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