Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

Comets

Browse and discover detailed information about 199 of the most interesting comets. Comets are listed in order of decreasing brightness.

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 290P/Jager

290P/Jager
R.A: 19h 38m 10s   Dec: -23° 13’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Sagittarius   object currently below the horizon

Comet C/2018 X2 (Fitzsimmons)

C/2018 X2 (Fitzsimmons)
R.A: 15h 28m 45s   Dec: -39° 19’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Lupus   object currently below the horizon

Comet 252P/LINEAR

252P/LINEAR
R.A: 03h 20m 05s   Dec: +09° 21’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  brightening
in Cetus   object currently below the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 14h 10m 27s   Dec: -00° 18’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 217P/LINEAR

217P/LINEAR
R.A: 12h 44m 35s   Dec: +05° 47’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 25D/Neujmin 2

25D/Neujmin 2
R.A: 19h 20m 41s   Dec: -22° 30’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet C/2018 E1 (ATLAS)

C/2018 E1 (ATLAS)
R.A: 13h 09m 56s   Dec: +42° 38’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL) 
in Canes Venatici   current altitude greater than 30 degrees above the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 16h 49m 26s   Dec: -20° 39’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  fading
in Ophiucus   object currently below the horizon

Comet C/2018 R3 (Lemmon)

C/2018 R3 (Lemmon)
R.A: 10h 33m 22s   Dec: -42° 30’ 54”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  fading
in Vela   object currently below the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 12h 21m 48s   Dec: -09° 59’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2019 H1 (NEOWISE)

C/2019 H1 (NEOWISE)
R.A: 09h 23m 44s   Dec: +65° 37’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL) 
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 14h 14m 59s   Dec: -13° 03’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet C/2020 A2 (Iwamoto)

C/2020 A2 (Iwamoto)
R.A: 07h 42m 42s   Dec: +12° 14’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.8 (JPL)  fading
in Canis Minoris   current altitude less than 30 degrees above the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 16h 54m 07s   Dec: +30° 36’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  fading
in Hercules   current altitude greater than 30 degrees above the horizon

Comet C/2019 B1 (Africano)

C/2019 B1 (Africano)
R.A: 00h 02m 35s   Dec: -59° 09’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  fading
in Tucana   object currently below the horizon

Comet Hale-Bopp (C/1995 O1)

C/1995 O1 (Hale-Bopp)
R.A: 22h 08m 55s   Dec: -85° 52’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.4 (JPL) 
in Octans   object currently below the horizon

Comet C/2019 J1 (Lemmon)

C/2019 J1 (Lemmon)
R.A: 00h 50m 32s   Dec: -25° 45’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.5 (JPL)  fading
in Sculptor   object currently below the horizon

Comet Halley (1P/Halley)

Halley's Comet
R.A: 08h 27m 44s   Dec: +02° 04’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 04h 31m 23s   Dec: +37° 11’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.7 (JPL) 
in Perseus   current altitude less than 30 degrees above the horizon

Comet 261P/Larson

261P/Larson
R.A: 09h 13m 47s   Dec: +14° 57’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.8 (JPL)  fading
in Cancer   current altitude greater than 30 degrees above the horizon
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