Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
sleep NighttimeWhat'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
 From: Greenwich, United Kingdom edit_location_alt
C/2020 N1 (PANSTARRS)

C/2020 N1 (PANSTARRS)   radio_button_checked

Magnitude: 24.8 (Predicted - JPL) trending_down
RA: 15h 38m 47s   Decl: -36° 33’ 27”
in Lupus
249P/LINEAR

249P/LINEAR   radio_button_checked

Magnitude: 24.9 (Predicted - JPL) trending_up
RA: 09h 46m 45s   Decl: +05° 53’ 29”
in Sextans
C/2021 C3 (Catalina)

C/2021 C3 (Catalina)   radio_button_checked

Magnitude: 24.9 (Predicted - JPL) trending_flat
RA: 01h 30m 08s   Decl: +67° 34’ 17”
in Cassiopeia
40P/Vaisala

40P/Vaisala   radio_button_checked

Magnitude: 25.1 (Predicted - JPL) trending_up
RA: 03h 18m 49s   Decl: +04° 37’ 12”
in Cetus
C/2021 O1 (Nishimura)

C/2021 O1 (Nishimura)   radio_button_checked

Magnitude: 25.1 (Predicted - JPL) trending_down
RA: 16h 25m 44s   Decl: -38° 07’ 40”
in Scorpius
C/2022 P1 (NEOWISE)

C/2022 P1 (NEOWISE)   radio_button_checked

Magnitude: 25.2 (Predicted - JPL) trending_down
RA: 13h 33m 45s   Decl: -12° 29’ 33”
in Virgo
15P/Finlay

15P/Finlay   radio_button_checked

Magnitude: 25.2 (Predicted - JPL) trending_flat
RA: 11h 26m 41s   Decl: +06° 25’ 54”
in Leo
6P/d'Arrest

6P/d'Arrest   radio_button_checked

Magnitude: 25.6 (Predicted - JPL) trending_flat
RA: 08h 25m 38s   Decl: +11° 45’ 19”
in Cancer
1P/Halley

1P/Halley   radio_button_checked

Magnitude: 25.6 (Predicted - JPL) trending_flat
RA: 08h 23m 32s   Decl: +02° 39’ 35”
in Hydra
16P/Brooks

16P/Brooks   radio_button_checked

Magnitude: 25.6 (Predicted - JPL) trending_flat
RA: 12h 10m 56s   Decl: +00° 40’ 30”
in Virgo
C/2020 M3 (ATLAS)

C/2020 M3 (ATLAS)   radio_button_checked

Magnitude: 25.7 (Predicted - JPL) trending_flat
RA: 12h 44m 53s   Decl: +16° 55’ 33”
in Coma
P/2022 P2 (ZTF)

P/2022 P2 (ZTF)   radio_button_checked

Magnitude: 26.1 (Predicted - JPL) trending_down
RA: 11h 52m 20s   Decl: -09° 21’ 48”
in Crater
68P/Klemola

68P/Klemola   radio_button_checked

Magnitude: 26.1 (Predicted - JPL) trending_flat
RA: 09h 14m 42s   Decl: +08° 42’ 51”
in Cancer
398P/Boattini

398P/Boattini   radio_button_checked

Magnitude: 26.2 (Predicted - JPL) trending_down
RA: 17h 05m 24s   Decl: -16° 03’ 59”
in Ophiucus
210P/Christensen

210P/Christensen   radio_button_checked

Magnitude: 26.2 (Predicted - JPL) trending_flat
RA: 17h 04m 30s   Decl: -21° 37’ 49”
in Ophiucus
319P/Catalina-McNaught

319P/Catalina-McNaught   radio_button_checked

Magnitude: 26.3 (Predicted - JPL) trending_flat
RA: 07h 47m 16s   Decl: +19° 04’ 09”
in Gemini
327P/Van Ness

327P/Van Ness   radio_button_checked

Magnitude: 26.4 (Predicted - JPL) trending_down
RA: 09h 07m 04s   Decl: -07° 46’ 25”
in Hydra
56P/Slaughter-Burnham

56P/Slaughter-Burnham   radio_button_checked

Magnitude: 26.4 (Predicted - JPL) trending_flat
RA: 14h 34m 28s   Decl: -22° 01’ 17”
in Libra
C/2021 O3 (PANSTARRS)

C/2021 O3 (PANSTARRS)   radio_button_checked

Magnitude: 26.5 (Predicted - JPL) trending_down
RA: 18h 14m 11s   Decl: +33° 49’ 54”
in Hercules
52P/Harrington-Abell

52P/Harrington-Abell   radio_button_checked

Magnitude: 26.6 (Predicted - JPL) trending_down
RA: 16h 32m 14s   Decl: -31° 17’ 23”
in Scorpius
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