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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:55 
Sunset: 20:47
sleep   (Nighttime)   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
14P/Wolf

14P/Wolf   radio_button_checked

Magnitude: 21.8 (Predicted - JPL) trending_flat
RA: 15h 01m 22s   Decl: -01° 06’ 44”
in Libra
67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko   radio_button_checked

Magnitude: 21.8 (Predicted - JPL) trending_down
RA: 14h 50m 39s   Decl: -17° 21’ 07”
in Libra
C/2021 D2 (ZTF)

C/2021 D2 (ZTF)   radio_button_checked

Magnitude: 21.9 (Predicted - JPL) trending_flat
RA: 07h 36m 41s   Decl: -26° 27’ 42”
in Puppis
18D/Perrine-Mrkos (Lost)

18D/Perrine-Mrkos (Lost)   radio_button_checked

Magnitude: 22.0 (Predicted - JPL) trending_up
RA: 21h 22m 39s   Decl: +02° 25’ 04”
in Aquarius
C/2021 P4 (ATLAS)

C/2021 P4 (ATLAS)   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_flat
RA: 23h 08m 35s   Decl: -49° 10’ 07”
in Grus
230P/LINEAR

230P/LINEAR   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_down
RA: 14h 33m 11s   Decl: +03° 35’ 44”
in Virgo
28P/Neujmin

28P/Neujmin   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_down
RA: 08h 08m 42s   Decl: +29° 35’ 59”
in Cancer
C/2023 H2 (Lemmon)

C/2023 H2 (Lemmon)   radio_button_checked

Magnitude: 22.2 (Predicted - JPL) trending_down
RA: 02h 30m 00s   Decl: -55° 10’ 51”
in Horologium
237P/LINEAR

237P/LINEAR   radio_button_checked

Magnitude: 22.3 (Predicted - JPL) trending_down
RA: 01h 28m 22s   Decl: +18° 13’ 23”
in Pisces
C/2022 JK5 (PANSTARRS)

C/2022 JK5 (PANSTARRS)   radio_button_checked

Magnitude: 22.4 (Predicted - JPL) trending_down
RA: 02h 18m 20s   Decl: +06° 07’ 30”
in Cetus
22P/Kopff

22P/Kopff   radio_button_checked

Magnitude: 22.4 (Predicted - JPL) trending_down
RA: 05h 11m 17s   Decl: +20° 30’ 08”
in Taurus
C/2022 W3 (Leonard)

C/2022 W3 (Leonard)   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_down
RA: 23h 09m 56s   Decl: -60° 22’ 02”
in Tucana
71P/Clark

71P/Clark   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_down
RA: 03h 05m 17s   Decl: +15° 32’ 42”
in Aries
C/2020 F8 (SWAN)

C/2020 F8 (SWAN)   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_down
RA: 04h 21m 06s   Decl: -20° 13’ 20”
in Eridanus
156P/Russell-LINEAR

156P/Russell-LINEAR   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_flat
RA: 14h 13m 51s   Decl: -15° 24’ 30”
in Virgo
9P/Tempel

9P/Tempel   radio_button_checked

Magnitude: 22.7 (Predicted - JPL) trending_down
RA: 03h 30m 47s   Decl: +16° 48’ 35”
in Taurus
8P/Tuttle

8P/Tuttle   radio_button_checked

Magnitude: 22.8 (Predicted - JPL) trending_flat
RA: 18h 32m 35s   Decl: -18° 55’ 20”
in Sagittarius
96P/Machholz

96P/Machholz   radio_button_checked

Magnitude: 23.0 (Predicted - JPL) trending_flat
RA: 19h 17m 14s   Decl: -29° 35’ 20”
in Sagittarius
110P/Hartley

110P/Hartley   radio_button_checked

Magnitude: 23.1 (Predicted - JPL) trending_flat
RA: 16h 47m 39s   Decl: -31° 26’ 27”
in Scorpius
290P/Jager

290P/Jager   radio_button_checked

Magnitude: 23.3 (Predicted - JPL) trending_flat
RA: 21h 51m 53s   Decl: -05° 37’ 23”
in Aquarius
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