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Comets

Browse and discover detailed information about 171 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 249P/LINEAR

249P/LINEAR
R.A: 11h 47m 05s   Dec: -07° 29’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.3 (JPL)  brightening
in Crater   current altitude greater than 30 degrees above the horizon

Comet C/1995 O1 (Hale-Bopp)

C/1995 O1 (Hale-Bopp)
R.A: 22h 12m 57s   Dec: -85° 06’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.3 (JPL) 
in Octans   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 12h 24m 47s   Dec: -04° 42’ 21”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.4 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet Halley (1P/Halley)

Halley's Comet
R.A: 08h 27m 03s   Dec: +01° 44’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.5 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet 60P/Tsuchinshan 2

60P/Tsuchinshan 2
R.A: 16h 15m 40s   Dec: -22° 28’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL)  fading
in Scorpius   current altitude less than 30 degrees above the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 18h 43m 33s   Dec: -36° 11’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.7 (JPL) 
in Sagittarius   object currently below the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 18h 34m 11s   Dec: -32° 04’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.9 (JPL)  fading
in Sagittarius   object currently below the horizon

Comet 11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR
R.A: 18h 18m 54s   Dec: -15° 55’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.9 (JPL)  brightening
in Serpens   object currently below the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 22h 55m 15s   Dec: +05° 47’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.1 (JPL)  fading
in Pisces   object currently below the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 03h 24m 58s   Dec: +22° 25’ 02”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.4 (JPL)  fading
in Aries   object currently below the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 30m 01s   Dec: -14° 09’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.6 (JPL)  fading
in Cetus   object currently below the horizon

Comet C/2018 R4 (Fuls)

C/2018 R4 (Fuls)
R.A: 02h 09m 39s   Dec: +26° 35’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.7 (JPL)  fading
in Aries   object currently below the horizon

Comet C/2018 A1 (PANSTARRS)

C/2018 A1 (PANSTARRS)
R.A: 11h 35m 01s   Dec: -22° 34’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.8 (JPL) 
in Crater   current altitude less than 30 degrees above the horizon

Comet C/2019 B1 (Africano)

C/2019 B1 (Africano)
R.A: 01h 47m 47s   Dec: -57° 00’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.8 (JPL)  fading
in Eridanus   object currently below the horizon

Comet 15P/Finlay

15P/Finlay
R.A: 14h 07m 58s   Dec: -14° 22’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.0 (JPL)  brightening
in Virgo   current altitude less than 30 degrees above the horizon

Comet 52P/Harrington-Abell

52P/Harrington-Abell
R.A: 21h 46m 23s   Dec: -13° 42’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.1 (JPL) 
in Capricornus   object currently below the horizon

Comet 13P/Olbers

13P/Olbers
R.A: 01h 03m 21s   Dec: -43° 13’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.2 (JPL) 
in Phoenix   object currently below the horizon

Comet 226P/Pigott-LINEAR-Kowalski

226P/Pigott-LINEAR-Kowalski
R.A: 14h 53m 10s   Dec: -00° 09’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 319P/Catalina-McNaught

319P/Catalina-McNaught
R.A: 11h 03m 18s   Dec: +16° 51’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet 51P/Harrington

51P/Harrington
R.A: 13h 05m 58s   Dec: -01° 40’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.3 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon
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