Comets

Browse and discover detailed information about 147 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 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova

R.A: 15h 51m 05s Dec: -17° 07’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.6 (JPL)
in Libra

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40P/Vaisala 1

R.A: 23h 37m 21s Dec: -09° 00’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 37.0 (JPL)
in Aquarius

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C/2017 E1 (Borisov)

R.A: 04h 40m 19s Dec: +09° 16’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 39.7 (JPL) fading

in Taurus

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C/2016 R3 (Borisov)

R.A: 01h 26m 18s Dec: -44° 40’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 39.9 (JPL) fading

in Phoenix

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C/2017 E4 (Lovejoy)

R.A: 03h 41m 09s Dec: -36° 59’ 35”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 47.7 (JPL) fading

in Eridanus

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55P/Tempel-Tuttle

R.A: 15h 48m 28s Dec: -20° 31’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.1 (JPL) brightening

in Scorpius

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C/2012 S1 (ISON)

R.A: 07h 08m 42s Dec: +38° 24’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL)
in Auriga

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