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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:01  ☀️ Transit: 12:06  🌅 Sunset: 18:11

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Position Calculator
Time: : UTC

Comets

Detailed information about 219 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 125P/Spacewatch

125P/Spacewatch
R.A: 06h 42m 10s   Dec: +16° 38’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.4 (JPL) 
in Gemini   object currently below the horizon

Comet C/2021 A7 (NEOWISE)

C/2021 A7 (NEOWISE)
R.A: 19h 57m 25s   Dec: +43° 34’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.5 (JPL) 
in Cygnus   current altitude greater than 30 degrees above the horizon

Comet C/2021 O1 (Nishimura)

C/2021 O1 (Nishimura)
R.A: 17h 19m 38s   Dec: -39° 02’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.6 (JPL)  fading
in Scorpius   object currently below the horizon

Comet 53P/Van Biesbroeck

53P/Van Biesbroeck
R.A: 06h 52m 06s   Dec: +18° 30’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.7 (JPL)  fading
in Gemini   object currently below the horizon

Comet 290P/Jager

290P/Jager
R.A: 21h 15m 09s   Dec: -12° 04’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet C/2021 A2

C/2021 A2
R.A: 21h 16m 51s   Dec: +47° 13’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Cygnus   current altitude greater than 30 degrees above the horizon

Comet 15P/Finlay

15P/Finlay
R.A: 10h 27m 07s   Dec: +14° 53’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.8 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet 64P/Swift-Gehrels

64P/Swift-Gehrels
R.A: 14h 11m 34s   Dec: -23° 51’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet C/2020 N1 (PANSTARRS)

C/2020 N1 (PANSTARRS)
R.A: 16h 15m 36s   Dec: -41° 49’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 23.9 (JPL) 
in Scorpius   object currently below the horizon

2014 UN271

16P/Brooks 2
R.A: 11h 07m 52s   Dec: +07° 36’ 43”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet 333P/LINEAR

333P/LINEAR
R.A: 17h 20m 16s   Dec: -63° 03’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL)  brightening
in Ara   object currently below the horizon

Comet 269P/Jedicke

269P/Jedicke
R.A: 19h 02m 42s   Dec: -18° 22’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.0 (JPL) 
in Sagittarius   current altitude less than 30 degrees above the horizon

Comet ATLAS (C/2019 Y4)

C/2019 Y4 (ATLAS)
R.A: 06h 43m 46s   Dec: +08° 04’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  fading
in Monoceros   object currently below the horizon

Comet 209P/LINEAR

209P/LINEAR
R.A: 03h 12m 42s   Dec: +17° 22’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL) 
in Aries   object currently below the horizon

Comet 41P/Tuttle-Giacobini-Kresak

41P/Tuttle-Giacobini-Kresak
R.A: 22h 05m 35s   Dec: -11° 13’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.2 (JPL)  fading
in Aquarius   object currently below the horizon

Comet 37P/Forbes

37P/Forbes
R.A: 09h 02m 04s   Dec: +15° 09’ 06”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.4 (JPL) 
in Cancer   current altitude less than 30 degrees above the horizon

Comet C/2021 C3 (Catalina)

C/2021 C3 (Catalina)
R.A: 01h 09m 42s   Dec: +61° 12’ 45”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL)  fading
in Cassiopeia   current altitude less than 30 degrees above the horizon

Comet 6P/d'Arrest

6P/d'Arrest
R.A: 06h 01m 32s   Dec: +11° 34’ 09”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL)  fading
in Orion   object currently below the horizon

Comet 154P/Brewington

154P/Brewington
R.A: 18h 52m 22s   Dec: -39° 53’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL)  brightening
in Corona Australis   object currently below the horizon

Comet 213P/Van Ness

213P/Van Ness
R.A: 17h 05m 14s   Dec: -34° 39’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 24.5 (JPL)  brightening
in Scorpius   current altitude less than 30 degrees above the horizon
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