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Comets

This section 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.

Legend of symbols:

C/2021 S3 (PANSTARRS)

C/2021 S3 (PANSTARRS)  radio_button_checked

Magnitude: 18.1 (Observed - COBS) trending_down
Coma Diameter: 0.4'
Tail Length: n/a
Observation Date: 2025-05-16
Apparent: 23h 35m 17s  +39° 20’ 59”
J2000: 23h 34m 02s  +39° 12’ 34”
in Andromeda
Details • Star Map • Orbit • Tracker
C/2024 X2 (ATLAS)

C/2024 X2 (ATLAS)  radio_button_checked

Magnitude: 18.1 (Predicted - JPL) trending_down
Apparent: 07h 43m 10s  -26° 17’ 01”
J2000: 07h 42m 07s  -26° 13’ 21”
in Puppis
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472P/NEAT-LINEAR

472P/NEAT-LINEAR  radio_button_checked

Magnitude: 18.2 (Predicted - JPL) trending_down
Apparent: 07h 15m 04s  +12° 48’ 54”
J2000: 07h 13m 38s  +12° 51’ 36”
in Gemini
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88P/Howell

88P/Howell  radio_button_checked

Magnitude: 18.3 (Observed - COBS) trending_flat
Coma Diameter: 0.4'
Tail Length: n/a
Observation Date: 2025-05-13
Apparent: 10h 21m 37s  +14° 50’ 13”
J2000: 10h 20m 15s  +14° 57’ 55”
in Leo
Details • Star Map • Orbit • Tracker
C/2023 Q1 (PANSTARRS)

C/2023 Q1 (PANSTARRS)  radio_button_checked

Magnitude: 18.4 (Observed - COBS) trending_down
Coma Diameter: 0.4'
Tail Length: n/a
Observation Date: 2025-05-15
Apparent: 09h 16m 51s  +40° 48’ 27”
J2000: 09h 15m 14s  +40° 54’ 51”
in Lynx
Details • Star Map • Orbit • Tracker
C/2019 L3 (ATLAS)

C/2019 L3 (ATLAS)  radio_button_checked

Magnitude: 18.5 (Predicted - JPL) trending_down
Apparent: 11h 52m 48s  -57° 42’ 30”
J2000: 11h 51m 32s  -57° 34’ 01”
in Centaurus
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78P/Gehrels

78P/Gehrels  radio_button_checked

Magnitude: 18.5 (Predicted - JPL) trending_up
Apparent: 20h 43m 41s  -10° 42’ 01”
J2000: 20h 42m 18s  -10° 47’ 33”
in Aquarius
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P/2023 M4 (ATLAS)

P/2023 M4 (ATLAS)  radio_button_checked

Magnitude: 18.5 (Predicted - JPL) trending_flat
Apparent: 01h 10m 42s  +14° 37’ 09”
J2000: 01h 09m 22s  +14° 29’ 04”
in Pisces
Details • Star Map • Orbit • Tracker
12P/Pons-Brooks

12P/Pons-Brooks  radio_button_checked

Magnitude: 18.6 (Predicted - JPL) trending_down
Apparent: 16h 18m 45s  -50° 29’ 28”
J2000: 16h 16m 50s  -50° 25’ 49”
in Norma
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C/2022 U3 (Bok)

C/2022 U3 (Bok)  radio_button_checked

Magnitude: 18.6 (Predicted - JPL) trending_down
Apparent: 08h 00m 29s  -01° 40’ 23”
J2000: 07h 59m 12s  -01° 36’ 09”
in Monoceros
Details • Star Map • Orbit • Tracker
95P/Chiron (2060 Chiron)

95P/Chiron (2060 Chiron)  radio_button_checked

Magnitude: 18.6 (Predicted - JPL) trending_flat
Apparent: 01h 32m 03s  +10° 24’ 18”
J2000: 01h 30m 43s  +10° 16’ 29”
in Pisces
Details • Star Map • Orbit • Tracker
C/2023 X2 (Lemmon)

C/2023 X2 (Lemmon)  radio_button_checked

Magnitude: 18.8 (Predicted - JPL) trending_flat
Apparent: 04h 23m 29s  +54° 06’ 09”
J2000: 04h 21m 28s  +54° 02’ 39”
in Camelopardalis
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30P/Reinmuth

30P/Reinmuth  radio_button_checked

Magnitude: 18.8 (Observed - COBS) trending_down
Coma Diameter: 0.4'
Tail Length: n/a
Observation Date: 2025-05-18
Apparent: 14h 24m 43s  -02° 11’ 50”
J2000: 14h 23m 24s  -02° 04’ 58”
in Virgo
Details • Star Map • Orbit • Tracker
C/2020 F2 (ATLAS)

C/2020 F2 (ATLAS)  radio_button_checked

Magnitude: 18.9 (Predicted - JPL) trending_down
Apparent: 10h 24m 13s  +27° 31’ 19”
J2000: 10h 22m 48s  +27° 39’ 03”
in Leo
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242P/Spahr

242P/Spahr  radio_button_checked

Magnitude: 19.0 (Predicted - JPL) trending_flat
Apparent: 05h 22m 37s  -03° 18’ 26”
J2000: 05h 21m 21s  -03° 19’ 50”
in Orion
Details • Star Map • Orbit • Tracker
C/2019 T4 (ATLAS)

C/2019 T4 (ATLAS)  radio_button_checked

Magnitude: 19.0 (Predicted - JPL) trending_flat
Apparent: 18h 55m 19s  +34° 33’ 42”
J2000: 18h 54m 24s  +34° 31’ 41”
in Lyra
Details • Star Map • Orbit • Tracker
C/2023 U1 (Fuls)

C/2023 U1 (Fuls)  radio_button_checked

Magnitude: 19.0 (Predicted - JPL) trending_flat
Apparent: 03h 10m 19s  -48° 02’ 03”
J2000: 03h 09m 28s  -48° 07’ 46”
in Horologium
Details • Star Map • Orbit • Tracker
C/2024 V1 (Borisov)

C/2024 V1 (Borisov)  radio_button_checked

Magnitude: 19.1 (Predicted - JPL) trending_down
Apparent: 08h 39m 12s  +13° 08’ 16”
J2000: 08h 37m 48s  +13° 13’ 40”
in Cancer
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C/2022 U1 (Leonard)

C/2022 U1 (Leonard)  radio_button_checked

Magnitude: 19.2 (Predicted - JPL) trending_flat
Apparent: 19h 20m 48s  +16° 01’ 04”
J2000: 19h 19m 39s  +15° 58’ 10”
in Aquila
Details • Star Map • Orbit • Tracker
32P/Comas Sola

32P/Comas Sola  radio_button_checked

Magnitude: 19.3 (Predicted - JPL) trending_down
Apparent: 13h 44m 23s  -06° 00’ 05”
J2000: 13h 43m 03s  -05° 52’ 28”
in Virgo
Details • Star Map • Orbit • Tracker
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