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🌎  Greenwich, United Kingdom [change]

Comets

Browse and discover detailed information about 218 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 C/2020 H6 (ATLAS)

C/2020 H6 (ATLAS)
R.A: 15h 56m 09s   Dec: +38° 14’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.8 (JPL)  fading
in Corona Borealis   current altitude greater than 30 degrees above the horizon

Comet C/2022 L2 (ATLAS)

C/2022 L2 (ATLAS)
R.A: 17h 56m 14s   Dec: +23° 32’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.8 (JPL) 
in Hercules   current altitude less than 30 degrees above the horizon

Comet 157P/Tritton

157P/Tritton
R.A: 08h 58m 37s   Dec: +18° 53’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.8 (JPL) 
in Cancer   current altitude greater than 30 degrees above the horizon

Comet C/2020 O2 (Amaral)

C/2020 O2 (Amaral)
R.A: 17h 49m 51s   Dec: +28° 16’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 17.8 (JPL)  fading
in Hercules   current altitude less than 30 degrees above the horizon

Comet C/2020 U5 (PANSTARRS)

C/2020 U5 (PANSTARRS)
R.A: 17h 41m 12s   Dec: +51° 21’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.0 (JPL)  fading
in Draco   current altitude greater than 30 degrees above the horizon

Comet P/2021 V2 (Fuls)

P/2021 V2 (Fuls)
R.A: 08h 24m 06s   Dec: +08° 55’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.0 (JPL)  brightening
in Cancer   current altitude less than 30 degrees above the horizon

Comet 77P/Longmore

77P/Longmore
R.A: 11h 38m 36s   Dec: +13° 47’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.1 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet C/2019 E3 (ATLAS)

C/2019 E3 (ATLAS)
R.A: 08h 21m 19s   Dec: -68° 09’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.2 (JPL) 
in Volans   object currently below the horizon

Comet C/2020 F2 (ATLAS)

C/2020 F2 (ATLAS)
R.A: 13h 24m 11s   Dec: +03° 44’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.2 (JPL)  fading
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 402P/LINEAR

402P/LINEAR
R.A: 09h 39m 50s   Dec: +18° 14’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.3 (JPL) 
in Leo   current altitude greater than 30 degrees above the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 12h 49m 32s   Dec: -22° 45’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.4 (JPL)  brightening
in Corvus   current altitude less than 30 degrees above the horizon

Comet 152P/Helin-Lawrence

152P/Helin-Lawrence
R.A: 19h 29m 42s   Dec: -28° 08’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.4 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 204P/LINEAR-NEAT

204P/LINEAR-NEAT
R.A: 07h 50m 55s   Dec: +18° 16’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  brightening
in Gemini   current altitude less than 30 degrees above the horizon

Comet Leonard (C/2021 A1)

C/2021 A1 (Leonard)
R.A: 16h 11m 51s   Dec: -21° 20’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  fading
in Scorpius   current altitude less than 30 degrees above the horizon

Comet 96P/Machholz 1

96P/Machholz 1
R.A: 17h 37m 14s   Dec: -52° 13’ 34”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 18.5 (JPL)  brightening
in Ara   object currently below the horizon

Comet C/2021 D2 (ZTF)

C/2021 D2 (ZTF)
R.A: 09h 20m 45s   Dec: +14° 18’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.0 (JPL) 
in Cancer   current altitude greater than 30 degrees above the horizon

Comet C/2019 N1 (ATLAS)

C/2019 N1 (ATLAS)
R.A: 01h 57m 33s   Dec: -43° 41’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.0 (JPL) 
in Phoenix   object currently below the horizon

Comet C/2021 T2 (Fuls)

C/2021 T2 (Fuls)
R.A: 14h 09m 44s   Dec: -23° 56’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.1 (JPL)  fading
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2017 T2 (PANSTARRS)

C/2017 T2 (PANSTARRS)
R.A: 17h 17m 49s   Dec: -56° 41’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL)  fading
in Ara   object currently below the horizon

Comet 237P/LINEAR

237P/LINEAR
R.A: 12h 38m 21s   Dec: -12° 43’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 19.2 (JPL)  brightening
in Corvus   current altitude less than 30 degrees above the horizon
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