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Comets

Browse and discover detailed information about 175 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/2019 J1 (Lemmon)

C/2019 J1 (Lemmon)
R.A: 22h 44m 11s   Dec: -27° 12’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.6 (JPL)  fading
in Pisces Austrinus   object currently below the horizon

Comet C/2015 ER61 (PANSTARRS)

C/2015 ER61 (PANSTARRS)
R.A: 05h 24m 51s   Dec: +19° 42’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.7 (JPL)  fading
in Taurus   object currently below the horizon

Comet C/2015 B1 (PANSTARRS)

C/2015 B1 (PANSTARRS)
R.A: 18h 57m 13s   Dec: -38° 40’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL) 
in Corona Australis   object currently below the horizon

Comet 249P/LINEAR

249P/LINEAR
R.A: 12h 13m 50s   Dec: -13° 32’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 22.9 (JPL)  brightening
in Corvus   current altitude less than 30 degrees above the horizon

Comet C/2014 W2 (PANSTARRS)

C/2014 W2 (PANSTARRS)
R.A: 16h 55m 29s   Dec: -49° 24’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.0 (JPL) 
in Ara   object currently below the horizon

Comet 49P/Arend-Rigaux

49P/Arend-Rigaux
R.A: 16h 35m 59s   Dec: -06° 21’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.1 (JPL) 
in Ophiucus   current altitude greater than 30 degrees above the horizon

Comet C/2019 D1 (Flewelling)

C/2019 D1 (Flewelling)
R.A: 01h 24m 03s   Dec: +16° 13’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL)  fading
in Pisces   object currently below the horizon

Comet C/2017 K6 (Jacques)

C/2017 K6 (Jacques)
R.A: 11h 13m 05s   Dec: +66° 34’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL) 
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 06h 09m 14s   Dec: +21° 13’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Orion   object currently below the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 11h 02m 05s   Dec: -09° 37’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  brightening
in Crater   current altitude less than 30 degrees above the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 14h 08m 34s   Dec: -15° 43’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 17h 03m 45s   Dec: +32° 39’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL) 
in Hercules   current altitude greater than 30 degrees above the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 20h 55m 41s   Dec: -58° 34’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL) 
in Indus   object currently below the horizon

Comet C/2018 E2 (Barros)

C/2018 E2 (Barros)
R.A: 03h 46m 08s   Dec: +23° 30’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  fading
in Taurus   object currently below the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 13h 04m 22s   Dec: +13° 44’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet C/2017 K4 (ATLAS)

C/2017 K4 (ATLAS)
R.A: 03h 13m 51s   Dec: +33° 12’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL)  fading
in Perseus   object currently below the horizon

Comet C/2016 T3 (PANSTARRS)

C/2016 T3 (PANSTARRS)
R.A: 14h 34m 02s   Dec: -34° 04’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL) 
in Centaurus   current altitude less than 30 degrees above the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 02h 43m 28s   Dec: +27° 52’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL)  fading
in Aries   object currently below the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 03h 40m 49s   Dec: +28° 45’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.9 (JPL)  fading
in Taurus   object currently below the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 26m 36s   Dec: +37° 51’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL) 
in Leo Minor   current altitude greater than 30 degrees above the horizon
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