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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:54 
Sunset: 20:41
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
14P/Wolf

14P/Wolf   radio_button_checked

Magnitude: 21.8 (Predicted - JPL) trending_flat
RA: 15h 03m 48s   Decl: -01° 26’ 27”
in Libra
67P/Churyumov-Gerasimenko

67P/Churyumov-Gerasimenko   radio_button_checked

Magnitude: 21.8 (Predicted - JPL) trending_down
RA: 14h 53m 24s   Decl: -17° 32’ 13”
in Libra
C/2021 D2 (ZTF)

C/2021 D2 (ZTF)   radio_button_checked

Magnitude: 21.9 (Predicted - JPL) trending_down
RA: 07h 35m 28s   Decl: -26° 35’ 04”
in Puppis
C/2021 P4 (ATLAS)

C/2021 P4 (ATLAS)   radio_button_checked

Magnitude: 22.0 (Predicted - JPL) trending_flat
RA: 23h 07m 31s   Decl: -48° 56’ 48”
in Grus
230P/LINEAR

230P/LINEAR   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_down
RA: 14h 35m 50s   Decl: +03° 31’ 24”
in Virgo
28P/Neujmin

28P/Neujmin   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_flat
RA: 08h 07m 17s   Decl: +29° 45’ 11”
in Gemini
C/2023 H2 (Lemmon)

C/2023 H2 (Lemmon)   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_down
RA: 02h 22m 09s   Decl: -54° 09’ 19”
in Horologium
18D/Perrine-Mrkos (Lost)

18D/Perrine-Mrkos (Lost)   radio_button_checked

Magnitude: 22.1 (Predicted - JPL) trending_up
RA: 21h 18m 57s   Decl: +01° 33’ 12”
in Aquarius
237P/LINEAR

237P/LINEAR   radio_button_checked

Magnitude: 22.2 (Predicted - JPL) trending_down
RA: 01h 22m 50s   Decl: +17° 42’ 43”
in Pisces
C/2022 JK5 (PANSTARRS)

C/2022 JK5 (PANSTARRS)   radio_button_checked

Magnitude: 22.3 (Predicted - JPL) trending_down
RA: 02h 14m 18s   Decl: +05° 42’ 42”
in Cetus
22P/Kopff

22P/Kopff   radio_button_checked

Magnitude: 22.4 (Predicted - JPL) trending_down
RA: 05h 07m 25s   Decl: +20° 23’ 52”
in Taurus
C/2022 W3 (Leonard)

C/2022 W3 (Leonard)   radio_button_checked

Magnitude: 22.4 (Predicted - JPL) trending_down
RA: 23h 06m 30s   Decl: -59° 13’ 32”
in Tucana
71P/Clark

71P/Clark   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_down
RA: 03h 00m 18s   Decl: +15° 08’ 27”
in Aries
C/2020 F8 (SWAN)

C/2020 F8 (SWAN)   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_flat
RA: 04h 19m 54s   Decl: -20° 16’ 23”
in Eridanus
156P/Russell-LINEAR

156P/Russell-LINEAR   radio_button_checked

Magnitude: 22.5 (Predicted - JPL) trending_flat
RA: 14h 16m 27s   Decl: -15° 33’ 36”
in Virgo
9P/Tempel

9P/Tempel   radio_button_checked

Magnitude: 22.7 (Predicted - JPL) trending_flat
RA: 03h 26m 45s   Decl: +16° 31’ 12”
in Taurus
8P/Tuttle

8P/Tuttle   radio_button_checked

Magnitude: 22.8 (Predicted - JPL) trending_up
RA: 18h 34m 20s   Decl: -19° 01’ 10”
in Sagittarius
96P/Machholz

96P/Machholz   radio_button_checked

Magnitude: 23.0 (Predicted - JPL) trending_flat
RA: 19h 19m 54s   Decl: -29° 19’ 50”
in Sagittarius
110P/Hartley

110P/Hartley   radio_button_checked

Magnitude: 23.1 (Predicted - JPL) trending_flat
RA: 16h 50m 42s   Decl: -31° 32’ 39”
in Scorpius
249P/LINEAR

249P/LINEAR   radio_button_checked

Magnitude: 23.3 (Predicted - JPL) trending_down
RA: 09h 00m 44s   Decl: +08° 15’ 16”
in Cancer
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