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Comets

Browse and discover detailed information about 136 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 108P/Ciffreo

108P/Ciffreo
R.A: 14h 48m 11s   Dec: -16° 46’ 19”
Magnitude 30.1 fading in Libra   object currently below the horizon

Comet C/2014 Q2 (Lovejoy)

C/2014 Q2 (Lovejoy)
R.A: 17h 44m 28s   Dec: +03° 17’ 19”
Magnitude 30.3 fading in Ophiucus   object currently below the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 08h 33m 23s   Dec: +16° 43’ 59”
Magnitude 30.3 fading in Cancer   current altitude less than 30 degrees above the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 04h 12m 51s   Dec: +33° 03’ 56”
Magnitude 31.3 in Perseus   current altitude greater than 30 degrees above the horizon

Comet C/2015 D4 (Borisov)

C/2015 D4 (Borisov)
R.A: 13h 15m 08s   Dec: +86° 57’ 12”
Magnitude 32.6 fading in Ursa Minor   current altitude greater than 30 degrees above the horizon

Comet 8P/Tuttle

8P/Tuttle
R.A: 19h 29m 43s   Dec: +20° 28’ 56”
Magnitude 33.2 in Vulpecula   object currently below the horizon

Comet P/2016 BA14 (PANSTARRS)

P/2016 BA14 (PANSTARRS)
R.A: 23h 34m 57s   Dec: +02° 20’ 30”
Magnitude 35.1 brightening in Pisces   current altitude less than 30 degrees above the horizon

Comet 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova
R.A: 14h 03m 26s   Dec: -09° 28’ 47”
Magnitude 35.7 fading in Virgo   object currently below the horizon

Comet 40P/Vaisala 1

40P/Vaisala 1
R.A: 23h 18m 47s   Dec: -11° 31’ 24”
Magnitude 35.8 in Aquarius   current altitude less than 30 degrees above the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 41m 00s   Dec: -20° 23’ 27”
Magnitude 36.1 in Hydra   object currently below the horizon

Comet 289P/Blanpain

289P/Blanpain
R.A: 18h 17m 37s   Dec: -27° 32’ 39”
Magnitude 36.2 in Sagittarius   object currently below the horizon

Comet C/2017 E1 (Borisov)

C/2017 E1 (Borisov)
R.A: 05h 18m 02s   Dec: +09° 54’ 03”
Magnitude 36.5 fading in Orion   current altitude greater than 30 degrees above the horizon

Comet C/2016 R3 (Borisov)

C/2016 R3 (Borisov)
R.A: 02h 04m 50s   Dec: -52° 21’ 39”
Magnitude 37.8 fading in Eridanus   object currently below the horizon

Comet C/2017 E4 (Lovejoy)

C/2017 E4 (Lovejoy)
R.A: 04h 44m 13s   Dec: -33° 20’ 13”
Magnitude 43.6 fading in Caelum   current altitude less than 30 degrees above the horizon

Comet 55P/Tempel-Tuttle

55P/Tempel-Tuttle
R.A: 15h 28m 32s   Dec: -19° 39’ 37”
Magnitude 48.4 in Libra   object currently below the horizon

Comet C/2012 S1 (ISON)

C/2012 S1 (ISON)
R.A: 07h 34m 18s   Dec: +36° 51’ 33”
Magnitude N.A. in Lynx   current altitude greater than 30 degrees above the horizon
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