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Comets

Browse and discover detailed information about 168 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 C/2018 E2 (Barros)

C/2018 E2 (Barros)
R.A: 04h 53m 37s   Dec: +19° 43’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL) 
in Taurus   object currently below the horizon

Comet C/2019 H1 (NEOWISE)

C/2019 H1
R.A: 14h 42m 30s   Dec: +47° 15’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL)  fading
in Bootes   current altitude greater than 30 degrees above the horizon

Comet C/2018 Y1 (Iwamoto)

C/2018 Y1 (Iwamoto)
R.A: 02h 40m 45s   Dec: +42° 17’ 23”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL)  fading
in Perseus   current altitude less than 30 degrees above the horizon

Comet 284P/McNaught

284P/McNaught
R.A: 14h 02m 20s   Dec: -02° 56’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet P/2017 R1 (PANSTARRS)

P/2017 R1 (PANSTARRS)
R.A: 06h 51m 15s   Dec: +20° 41’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  brightening
in Gemini   current altitude less than 30 degrees above the horizon

Comet C/2015 X7 (ATLAS)

C/2015 X7 (ATLAS)
R.A: 16h 11m 29s   Dec: +33° 40’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL) 
in Corona Borealis   current altitude greater than 30 degrees above the horizon

Comet C/2014 Q1 (PANSTARRS)

C/2014 Q1 (PANSTARRS)
R.A: 20h 23m 53s   Dec: -62° 37’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  fading
in Pavo   object currently below the horizon

Comet 66P/du Toit

66P/du Toit
R.A: 03h 33m 40s   Dec: +30° 55’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Taurus   object currently below the horizon

Comet 185P/Petriew

185P/Petriew
R.A: 13h 05m 51s   Dec: -10° 24’ 14”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 04h 43m 51s   Dec: +32° 37’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Auriga   current altitude less than 30 degrees above the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 11h 22m 32s   Dec: +10° 58’ 40”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.1 (JPL) 
in Leo   current altitude greater than 30 degrees above the horizon

Comet C/2016 T3 (PANSTARRS)

C/2016 T3 (PANSTARRS)
R.A: 13h 41m 17s   Dec: -28° 40’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  fading
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 12h 40m 06s   Dec: +14° 35’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL) 
in Coma   current altitude greater than 30 degrees above the horizon

Comet P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)
R.A: 10h 30m 57s   Dec: -01° 20’ 20”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.3 (JPL) 
in Sextans   current altitude less than 30 degrees above the horizon

Comet 60P/Tsuchinshan 2

60P/Tsuchinshan 2
R.A: 14h 53m 34s   Dec: -18° 11’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL)  fading
in Libra   current altitude less than 30 degrees above the horizon

Comet 19P/Borrelly

19P/Borrelly
R.A: 16h 50m 31s   Dec: -26° 47’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.6 (JPL) 
in Scorpius   current altitude less than 30 degrees above the horizon

Comet 7P/Pons-Winnecke

7P/Pons-Winnecke
R.A: 08h 39m 41s   Dec: +26° 22’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  brightening
in Cancer   current altitude less than 30 degrees above the horizon

Comet 26P/Grigg-Skjellerup

26P/Grigg-Skjellerup
R.A: 22h 49m 47s   Dec: +11° 14’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  fading
in Pegasus   object currently below the horizon

Comet C/2019 B1 (Africano)

C/2019 B1 (Africano)
R.A: 04h 46m 52s   Dec: -52° 22’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.0 (JPL)  fading
in Pictor   object currently below the horizon

Comet C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring)
R.A: 10h 34m 44s   Dec: +35° 06’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 25.1 (JPL)  fading
in Leo Minor   current altitude greater than 30 degrees above the horizon
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