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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:55 
Sunset: 20:47
sunny   (Daytime)   What's Visible Now?

Bright Comets

This page provides a comprehensive list of the bright comets currently visible in the sky. This list is updated with new information several times per day. Comets for which there is data from recent observations reported in the Comet Observation database (COBS) are listed first, in order of decreasing brightness. When data from recent observations is not available, the magnitude provided by the JPL Horizons datasets is used as an estimation of the brightness.

Credits for comet observation data: COBS Comet Observation Database – CC BY-NA-SA 4.0

Visibility from selected location
visibility = visible to the naked eye
stars = binocular, brighter than 10th magnitude
radio_button_checked Current altitude ≥ 30°   radio_button_checked Current altitude < 30°   radio_button_checked Below the horizon
103P/Hartley

103P/Hartley   radio_button_checked

Magnitude: 20.0 (Predicted - JPL) trending_down
RA: 09h 06m 23s   Decl: +04° 08’ 56”
in Hydra
217P/LINEAR

217P/LINEAR   radio_button_checked

Magnitude: 20.0 (Predicted - JPL) trending_up
RA: 16h 19m 44s   Decl: -05° 33’ 30”
in Ophiucus
276P/Vorobjov

276P/Vorobjov   radio_button_checked

Magnitude: 20.1 (Predicted - JPL) trending_flat
RA: 01h 43m 49s   Decl: +12° 58’ 50”
in Pisces
246P/NEAT

246P/NEAT   radio_button_checked

Magnitude: 20.2 (Predicted - JPL) trending_flat
RA: 03h 36m 36s   Decl: +14° 09’ 48”
in Taurus
C/2020 J1 (SONEAR)

C/2020 J1 (SONEAR)   radio_button_checked

Magnitude: 20.2 (Predicted - JPL) trending_down
RA: 09h 51m 00s   Decl: +52° 32’ 21”
in Ursa Major
C/2021 E3 (ZTF)

C/2021 E3 (ZTF)   radio_button_checked

Magnitude: 20.2 (Predicted - JPL) trending_down
RA: 06h 51m 58s   Decl: +14° 22’ 30”
in Gemini
C/2020 U5 (PANSTARRS)

C/2020 U5 (PANSTARRS)   radio_button_checked

Magnitude: 20.3 (Predicted - JPL) trending_flat
RA: 19h 41m 18s   Decl: -02° 57’ 41”
in Aquila
81P/Wild

81P/Wild   radio_button_checked

Magnitude: 20.3 (Predicted - JPL) trending_flat
RA: 22h 05m 49s   Decl: -11° 37’ 54”
in Aquarius
74P/Smirnova-Chernykh

74P/Smirnova-Chernykh   radio_button_checked

Magnitude: 20.3 (Predicted - JPL) trending_flat
RA: 03h 09m 13s   Decl: +17° 06’ 33”
in Aries
C/2023 X2 (Lemmon)

C/2023 X2 (Lemmon)   radio_button_checked

Magnitude: 20.3 (Predicted - JPL) trending_flat
RA: 04h 14m 06s   Decl: +26° 17’ 33”
in Taurus
C/2020 O2 (Amaral)

C/2020 O2 (Amaral)   radio_button_checked

Magnitude: 20.4 (Predicted - JPL) trending_flat
RA: 21h 29m 04s   Decl: +62° 00’ 08”
in Cepheus
354P/LINEAR

354P/LINEAR   radio_button_checked

Magnitude: 20.5 (Predicted - JPL) trending_down
RA: 09h 29m 12s   Decl: +12° 05’ 06”
in Leo
119P/Parker-Hartley

119P/Parker-Hartley   radio_button_checked

Magnitude: 20.5 (Predicted - JPL) trending_down
RA: 12h 24m 56s   Decl: +06° 50’ 57”
in Virgo
133P/Elst-Pizarro

133P/Elst-Pizarro   radio_button_checked

Magnitude: 20.6 (Predicted - JPL) trending_up
RA: 21h 11m 28s   Decl: -14° 59’ 05”
in Capricornus
C/2017 T2 (PANSTARRS)

C/2017 T2 (PANSTARRS)   radio_button_checked

Magnitude: 20.6 (Predicted - JPL) trending_flat
RA: 19h 32m 40s   Decl: -65° 49’ 18”
in Pavo
C/2022 A2 (PANSTARRS)

C/2022 A2 (PANSTARRS)   radio_button_checked

Magnitude: 20.7 (Predicted - JPL) trending_flat
RA: 00h 11m 24s   Decl: -16° 46’ 36”
in Cetus
287P/Christensen

287P/Christensen   radio_button_checked

Magnitude: 20.7 (Predicted - JPL) trending_flat
RA: 02h 29m 04s   Decl: +01° 53’ 59”
in Cetus
378P/McNaught

378P/McNaught   radio_button_checked

Magnitude: 20.7 (Predicted - JPL) trending_flat
RA: 04h 01m 31s   Decl: +11° 06’ 34”
in Taurus
78P/Gehrels

78P/Gehrels   radio_button_checked

Magnitude: 20.9 (Predicted - JPL) trending_up
RA: 17h 27m 51s   Decl: -17° 32’ 34”
in Ophiucus
44P/Reinmuth

44P/Reinmuth   radio_button_checked

Magnitude: 20.9 (Predicted - JPL) trending_flat
RA: 07h 55m 05s   Decl: +18° 46’ 38”
in Gemini
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