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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:41  
clear_day Transit: 12:56  
SunsetSet: 20:12
sunny DaytimeWhat'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
146P/Shoemaker-LINEAR

146P/Shoemaker-LINEAR   radio_button_checked

Magnitude: 19.2 (Predicted - JPL) trending_up
RA: 23h 05m 00s   Decl: -26° 54’ 48”
in Pisces Austrinus
P/2021 N2 (Fuls)

P/2021 N2 (Fuls)   radio_button_checked

Magnitude: 19.4 (Predicted - JPL) trending_down
RA: 08h 36m 29s   Decl: +04° 52’ 21”
in Hydra
C/2023 R1 (PANSTARRS)

C/2023 R1 (PANSTARRS)   radio_button_checked

Magnitude: 19.4 (Predicted - JPL) trending_up
RA: 00h 16m 38s   Decl: +25° 54’ 09”
in Andromeda
103P/Hartley

103P/Hartley   radio_button_checked

Magnitude: 19.4 (Predicted - JPL) trending_down
RA: 08h 40m 25s   Decl: +03° 52’ 13”
in Hydra
164P/Christensen

164P/Christensen   radio_button_checked

Magnitude: 19.5 (Predicted - JPL) trending_up
RA: 20h 57m 13s   Decl: -24° 42’ 51”
in Capricornus
P/2021 V2 (Fuls)

P/2021 V2 (Fuls)   radio_button_checked

Magnitude: 19.5 (Predicted - JPL) trending_down
RA: 13h 04m 17s   Decl: -15° 10’ 21”
in Virgo
77P/Longmore

77P/Longmore   radio_button_checked

Magnitude: 19.5 (Predicted - JPL) trending_flat
RA: 22h 31m 29s   Decl: -31° 56’ 39”
in Pisces Austrinus
129P/Shoemaker-Levy

129P/Shoemaker-Levy   radio_button_checked

Magnitude: 19.6 (Predicted - JPL) trending_down
RA: 12h 46m 12s   Decl: -03° 52’ 22”
in Virgo
C/2021 C5 (PANSTARRS)

C/2021 C5 (PANSTARRS)   radio_button_checked

Magnitude: 19.6 (Predicted - JPL) trending_flat
RA: 22h 06m 06s   Decl: -22° 47’ 00”
in Aquarius
C/2020 F5 (MASTER)

C/2020 F5 (MASTER)   radio_button_checked

Magnitude: 19.7 (Predicted - JPL) trending_flat
RA: 00h 34m 08s   Decl: +38° 27’ 12”
in Andromeda
26P/Grigg-Skjellerup

26P/Grigg-Skjellerup   radio_button_checked

Magnitude: 19.7 (Predicted - JPL) trending_down
RA: 22h 06m 59s   Decl: +09° 11’ 53”
in Pegasus
C/2022 U4 (Bok)

C/2022 U4 (Bok)   radio_button_checked

Magnitude: 19.7 (Predicted - JPL) trending_flat
RA: 20h 23m 36s   Decl: +05° 03’ 58”
in Aquila
94P/Russell

94P/Russell   radio_button_checked

Magnitude: 19.7 (Predicted - JPL) trending_up
RA: 18h 05m 24s   Decl: -24° 07’ 16”
in Sagittarius
2P/Encke

2P/Encke   radio_button_checked

Magnitude: 19.8 (Predicted - JPL) trending_flat
RA: 22h 33m 21s   Decl: -12° 30’ 21”
in Aquarius
C/2019 F1 (ATLAS-Africano)

C/2019 F1 (ATLAS-Africano)   radio_button_checked

Magnitude: 19.8 (Predicted - JPL) trending_down
RA: 02h 16m 43s   Decl: +08° 16’ 26”
in Cetus
21P/Giacobini-Zinner

21P/Giacobini-Zinner   radio_button_checked

Magnitude: 19.9 (Predicted - JPL) trending_up
RA: 15h 46m 12s   Decl: +06° 10’ 02”
in Serpens
209P/LINEAR

209P/LINEAR   radio_button_checked

Magnitude: 19.9 (Predicted - JPL) trending_up
RA: 06h 25m 04s   Decl: +41° 03’ 08”
in Auriga
C/1995 O1 (Hale-Bopp)

C/1995 O1 (Hale-Bopp)   radio_button_checked

Magnitude: 20.0 (Predicted - JPL) trending_flat
RA: 23h 06m 41s   Decl: -83° 57’ 10”
in Octans
C/2021 E3 (ZTF)

C/2021 E3 (ZTF)   radio_button_checked

Magnitude: 20.0 (Predicted - JPL) trending_down
RA: 06h 45m 43s   Decl: +13° 28’ 54”
in Gemini
C/2020 J1 (SONEAR)

C/2020 J1 (SONEAR)   radio_button_checked

Magnitude: 20.0 (Predicted - JPL) trending_flat
RA: 09h 56m 41s   Decl: +53° 40’ 33”
in Ursa Major
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