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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 126P/IRAS

126P/IRAS
R.A: 12h 19m 37s   Dec: -35° 03’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.8 (JPL)  brightening
in Hydra   object currently below the horizon

Comet 150P/LONEOS

150P/LONEOS
R.A: 23h 44m 12s   Dec: +16° 37’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.8 (JPL) 
in Pegasus   object currently below the horizon

Comet 73P/Schwassmann-Wachmann 3

73P/Schwassmann-Wachmann 3
R.A: 07h 14m 54s   Dec: +29° 41’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.9 (JPL) 
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 226P/Pigott-LINEAR-Kowalski

226P/Pigott-LINEAR-Kowalski
R.A: 15h 25m 21s   Dec: -19° 09’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.1 (JPL) 
in Libra   object currently below the horizon

Comet 56P/Slaughter-Burnham

56P/Slaughter-Burnham
R.A: 12h 42m 52s   Dec: -10° 01’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.2 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet 157P/Tritton

157P/Tritton
R.A: 21h 37m 34s   Dec: -09° 06’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.3 (JPL)  brightening
in Capricornus   object currently below the horizon

Comet 237P/LINEAR

237P/LINEAR
R.A: 07h 30m 21s   Dec: +10° 52’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.4 (JPL)  brightening
in Canis Minoris   current altitude greater than 30 degrees above the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 04h 26m 08s   Dec: +34° 50’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.8 (JPL) 
in Perseus   current altitude greater than 30 degrees above the horizon

Comet 58P/Jackson-Neujmin

58P/Jackson-Neujmin
R.A: 07h 24m 11s   Dec: +15° 12’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 26.9 (JPL)  fading
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 06h 20m 40s   Dec: +27° 40’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.2 (JPL)  fading
in Gemini   current altitude greater than 30 degrees above the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 15h 26m 59s   Dec: -16° 48’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.4 (JPL) 
in Libra   object currently below the horizon

Comet 23P/Brorsen-Metcalf

23P/Brorsen-Metcalf
R.A: 17h 23m 27s   Dec: -38° 37’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.5 (JPL) 
in Scorpius   object currently below the horizon

Comet 125P/Spacewatch

125P/Spacewatch
R.A: 03h 53m 49s   Dec: +11° 52’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.9 (JPL) 
in Taurus   current altitude less than 30 degrees above the horizon

Comet 364P/2018 A2 (PANSTARRS)

364P/2018 A2 (PANSTARRS)
R.A: 05h 16m 58s   Dec: +29° 37’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 27.9 (JPL) 
in Auriga   current altitude greater than 30 degrees above the horizon

Comet 261P/Larson

261P/Larson
R.A: 08h 42m 18s   Dec: +15° 09’ 11”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.0 (JPL)  fading
in Cancer   current altitude greater than 30 degrees above the horizon

Comet 40P/Vaisala 1

40P/Vaisala 1
R.A: 01h 10m 11s   Dec: -02° 04’ 38”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.0 (JPL)  brightening
in Cetus   object currently below the horizon

Comet 327P/Van Ness

327P/Van Ness
R.A: 14h 54m 29s   Dec: +21° 12’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.1 (JPL)  brightening
in Bootes   current altitude less than 30 degrees above the horizon

Comet 207P/NEAT

207P/NEAT
R.A: 20h 45m 38s   Dec: -07° 13’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.3 (JPL) 
in Aquarius   object currently below the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 02h 21m 55s   Dec: +13° 19’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.7 (JPL) 
in Aries   current altitude less than 30 degrees above the horizon

Comet 103P/Hartley 2

103P/Hartley 2
R.A: 15h 21m 42s   Dec: -14° 33’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 28.7 (JPL)  brightening
in Libra   object currently below the horizon
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