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Comets

Browse and discover detailed information about 120 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/2017 O1 (ASASSN1)

C/2017 O1 (ASASSN1)
R.A: 04h 11m 13s   Dec: +24° 57’ 17”
Magnitude 11.3 brightening in Taurus   current altitude greater than 30 degrees above the horizon

Comet C/2015 V2 (Johnson)

C/2015 V2 (Johnson)
R.A: 15h 56m 58s   Dec: -50° 14’ 57”
Magnitude 11.8 fading in Norma   object currently below the horizon

Comet C/2015 ER61 (PANSTARRS)

C/2015 ER61 (PANSTARRS)
R.A: 03h 57m 14s   Dec: +22° 59’ 07”
Magnitude 12.9 fading in Taurus   current altitude greater than 30 degrees above the horizon

Comet 104P/Kowal 2

104P/Kowal 2
R.A: 13h 48m 20s   Dec: -56° 28’ 26”
Magnitude 13.7 brightening in Centaurus   object currently below the horizon

Comet 96P/Machholz

96P/Machholz
R.A: 13h 48m 20s   Dec: -56° 28’ 26”
Magnitude 13.7 brightening in Centaurus   object currently below the horizon

Comet C/2016 R2 (PANSTARRS)

C/2016 R2 (PANSTARRS)
R.A: 05h 33m 39s   Dec: -02° 24’ 11”
Magnitude 14.0 brightening in Orion   current altitude less than 30 degrees above the horizon

Comet C/2016 N4 (MASTER)

C/2016 N4 (MASTER)
R.A: 22h 10m 27s   Dec: +70° 43’ 10”
Magnitude 14.4 in Cepheus   current altitude greater than 30 degrees above the horizon

Comet 29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
R.A: 21h 06m 49s   Dec: -14° 44’ 36”
Magnitude 14.5 in Capricornus   object currently below the horizon

Comet C/2015 O1 (PANSTARRS)

C/2015 O1 (PANSTARRS)
R.A: 16h 07m 27s   Dec: +20° 23’ 11”
Magnitude 15.0 in Hercules   object currently below the horizon

Comet 71P/Clark

71P/Clark
R.A: 18h 50m 51s   Dec: -35° 51’ 18”
Magnitude 15.3 fading in Sagittarius   object currently below the horizon

Comet C/2016 M1 (PANSTARRS)

C/2016 M1 (PANSTARRS)
R.A: 17h 04m 03s   Dec: +32° 09’ 02”
Magnitude 15.4 in Hercules   object currently below the horizon

Comet C/2017 K4 (ATLAS)

C/2017 K4 (ATLAS)
R.A: 17h 21m 59s   Dec: -28° 14’ 06”
Magnitude 15.6 in Ophiucus   object currently below the horizon

Comet 65P/Gunn

65P/Gunn
R.A: 16h 32m 15s   Dec: -26° 01’ 41”
Magnitude 15.6 in Scorpius   object currently below the horizon

Comet C/2013 YG46 (Spacewatch)

C/2013 YG46 (Spacewatch)
R.A: 02h 12m 36s   Dec: +07° 14’ 43”
Magnitude 15.9 fading in Cetus   current altitude greater than 30 degrees above the horizon

Comet C/2017 K6 (Jacques)

C/2017 K6 (Jacques)
R.A: 03h 31m 01s   Dec: -80° 41’ 47”
Magnitude 15.9 brightening in Mensa   object currently below the horizon

Comet C/2016 T3 (PANSTARRS)

C/2016 T3 (PANSTARRS)
R.A: 08h 30m 46s   Dec: +12° 37’ 34”
Magnitude 16.9 brightening in Cancer   current altitude less than 30 degrees above the horizon

Comet C/2016 A1 (PANSTARRS)

C/2016 A1 (PANSTARRS)
R.A: 09h 08m 57s   Dec: +18° 54’ 48”
Magnitude 17.0 brightening in Cancer   current altitude less than 30 degrees above the horizon

Comet C/2017 M4 (ATLAS)

C/2017 M4 (ATLAS)
R.A: 18h 34m 12s   Dec: +61° 07’ 41”
Magnitude 17.5 brightening in Draco   current altitude less than 30 degrees above the horizon

Comet C/2017 B3 (LINEAR)

C/2017 B3 (LINEAR)
R.A: 12h 35m 16s   Dec: -31° 06’ 13”
Magnitude 17.9 brightening in Hydra   object currently below the horizon

Comet C/2013 X1 (PANSTARRS)

C/2013 X1 (PANSTARRS)
R.A: 12h 44m 03s   Dec: -19° 40’ 17”
Magnitude 18.5 fading in Corvus   object currently below the horizon
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