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Comets

Browse and discover detailed information about 197 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 123P/West-Hartley

123P/West-Hartley
R.A: 20h 57m 17s   Dec: -33° 37’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL) 
in Microscopium   object currently below the horizon

Comet 319P/Catalina-McNaught

319P/Catalina-McNaught
R.A: 11h 53m 08s   Dec: +19° 47’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  brightening
in Leo   current altitude less than 30 degrees above the horizon

Comet 249P/LINEAR

249P/LINEAR
R.A: 06h 06m 34s   Dec: +18° 49’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  fading
in Orion   current altitude greater than 30 degrees above the horizon

Comet 11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR
R.A: 07h 37m 09s   Dec: +09° 11’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL)  fading
in Canis Minoris   current altitude greater than 30 degrees above the horizon

Comet 332P/Ikeya-Murakami

332P/Ikeya-Murakami
R.A: 05h 52m 51s   Dec: +29° 49’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL)  brightening
in Auriga   current altitude greater than 30 degrees above the horizon

Comet 38P/Stephan-Oterma

38P/Stephan-Oterma
R.A: 14h 23m 34s   Dec: +00° 37’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL) 
in Virgo   object currently below the horizon

Comet 141P/Machholz 2

141P/Machholz 2
R.A: 08h 26m 06s   Dec: +05° 29’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  fading
in Hydra   current altitude greater than 30 degrees above the horizon

Comet 144P/Kushida

144P/Kushida
R.A: 20h 20m 27s   Dec: -16° 05’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet 325P/Yang-Gao

325P/Yang-Gao
R.A: 07h 08m 59s   Dec: +12° 21’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL)  brightening
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 260P/McNaught

260P/McNaught
R.A: 09h 46m 53s   Dec: +17° 17’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.7 (JPL)  fading
in Leo   current altitude greater than 30 degrees above the horizon

Comet 12P/Pons-Brooks

12P/Pons-Brooks
R.A: 18h 20m 57s   Dec: +24° 18’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.9 (JPL)  brightening
in Hercules   object currently below the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 02h 10m 24s   Dec: +01° 14’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.9 (JPL) 
in Cetus   current altitude less than 30 degrees above the horizon

Comet 13P/Olbers

13P/Olbers
R.A: 01h 58m 20s   Dec: -32° 46’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL) 
in Fornax   object currently below the horizon

Comet 96P/Machholz 1

96P/Machholz 1
R.A: 20h 00m 21s   Dec: -39° 22’ 10”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL)  brightening
in Sagittarius   object currently below the horizon

Comet 204P/LINEAR-NEAT

204P/LINEAR-NEAT
R.A: 23h 14m 36s   Dec: -09° 35’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.4 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet 25D/Neujmin 2 (Lost)

25D/Neujmin 2 (Lost)
R.A: 22h 19m 55s   Dec: -09° 07’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.5 (JPL) 
in Aquarius   object currently below the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 18h 42m 06s   Dec: -50° 20’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.5 (JPL)  brightening
in Telescopium   object currently below the horizon

Comet Hale-Bopp (C/1995 O1)

C/1995 O1 (Hale-Bopp)
R.A: 23h 43m 04s   Dec: -84° 28’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.5 (JPL) 
in Octans   object currently below the horizon

Comet Halley (1P/Halley)

Halley's Comet
R.A: 08h 14m 54s   Dec: +03° 00’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.6 (JPL) 
in Hydra   current altitude greater than 30 degrees above the horizon

Comet P/2019 Y2 (Fuls)

P/2019 Y2 (Fuls)
R.A: 20h 32m 42s   Dec: -21° 39’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.7 (JPL) 
in Capricornus   object currently below the horizon
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