Comets

Browse and discover detailed information about 143 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 C/2017 E4 (Lovejoy)

C/2017 E4 (Lovejoy)

R.A: 03h 35m 00s Dec: -42° 51’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 46.5 (JPL) fading

in Eridanus

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55P/Tempel-Tuttle

R.A: 15h 49m 31s Dec: -20° 37’ 46”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.3 (JPL) brightening

in Scorpius

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C/2012 S1 (ISON)

R.A: 07h 22m 26s Dec: +38° 49’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL)
in Auriga

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