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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/2023 A3 (Tsuchinshan-ATLAS)
stars

C/2023 A3 (Tsuchinshan-ATLAS)  radio_button_checked

Magnitude: 7.6 (Observed - COBS) trending_down
Coma Diameter: 4.0'
Tail Length: 1.5°
Observation Date: 2024-11-10
Apparent: 18h 34m 25s  +03° 59’ 44”
J2000: 18h 33m 11s  +03° 58’ 30”
in Serpens
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C/2024 G3 (ATLAS)

C/2024 G3 (ATLAS)  radio_button_checked

Magnitude: 11.8 (Observed - COBS) trending_up
Coma Diameter: 1.0'
Tail Length: 2.0'
Observation Date: 2024-11-04
Apparent: 15h 13m 11s  -43° 21’ 54”
J2000: 15h 11m 31s  -43° 16’ 21”
in Lupus
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29P/Schwassmann-Wachmann

29P/Schwassmann-Wachmann  radio_button_checked

Magnitude: 12.1 (Observed - COBS) trending_up
Coma Diameter: 1.1'
Tail Length: n/a
Observation Date: 2024-11-08
Apparent: 10h 09m 00s  +09° 51’ 32”
J2000: 10h 07m 41s  +09° 58’ 53”
in Leo
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13P/Olbers

13P/Olbers  radio_button_checked

Magnitude: 12.7 (Predicted - JPL) trending_down
Apparent: 16h 06m 00s  -07° 38’ 53”
J2000: 16h 04m 40s  -07° 34’ 54”
in Ophiuchus
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C/2024 S1 (disintegrated)

C/2024 S1 (disintegrated)  radio_button_checked

Magnitude: 13.1 (Predicted - JPL) trending_down
Apparent: 12h 32m 01s  -23° 49’ 57”
J2000: 12h 30m 43s  -23° 41’ 43”
in Corvus
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333P/LINEAR

333P/LINEAR  radio_button_checked

Magnitude: 13.8 (Observed - COBS) trending_up
Coma Diameter: 1.5'
Tail Length: n/a
Observation Date: 2024-11-07
Apparent: 11h 08m 56s  +10° 48’ 54”
J2000: 11h 07m 38s  +10° 56’ 59”
in Leo
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P/2010 H2 (Vales)

P/2010 H2 (Vales)  radio_button_checked

Magnitude: 14.8 (Predicted - JPL) trending_up
Apparent: 12h 30m 17s  +09° 21’ 58”
J2000: 12h 29m 01s  +09° 30’ 12”
in Virgo
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C/2023 C2 (ATLAS)

C/2023 C2 (ATLAS)  radio_button_checked

Magnitude: 15.0 (Predicted - JPL) trending_flat
Apparent: 18h 42m 22s  -25° 56’ 31”
J2000: 18h 40m 50s  -25° 58’ 01”
in Sagittarius
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C/2022 L2 (ATLAS)

C/2022 L2 (ATLAS)  radio_button_checked

Magnitude: 15.1 (Predicted - JPL) trending_down
Apparent: 09h 40m 34s  -36° 58’ 01”
J2000: 09h 39m 32s  -36° 51’ 13”
in Antlia
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C/2024 B1 (Lemmon)

C/2024 B1 (Lemmon)  radio_button_checked

Magnitude: 15.2 (Predicted - JPL) trending_down
Apparent: 15h 01m 43s  +36° 03’ 39”
J2000: 15h 00m 44s  +36° 09’ 30”
in Bootes
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C/2021 G2 (Atlas)

C/2021 G2 (Atlas)  radio_button_checked

Magnitude: 15.2 (Predicted - JPL) trending_up
Apparent: 14h 14m 20s  -19° 21’ 26”
J2000: 14h 12m 57s  -19° 14’ 30”
in Virgo
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C/2021 S3 (PANSTARRS)

C/2021 S3 (PANSTARRS)  radio_button_checked

Magnitude: 15.3 (Observed - COBS) trending_down
Coma Diameter: n/a
Tail Length: n/a
Observation Date: 2024-11-09
Apparent: 20h 17m 48s  +36° 53’ 53”
J2000: 20h 16m 52s  +36° 49’ 12”
in Cygnus
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C/2022 N2 (PANSTARRS)

C/2022 N2 (PANSTARRS)  radio_button_checked

Magnitude: 15.3 (Observed - COBS) trending_flat
Coma Diameter: 1.0'
Tail Length: 2.1'
Observation Date: 2024-11-08
Apparent: 22h 38m 19s  -05° 11’ 13”
J2000: 22h 37m 01s  -05° 18’ 59”
in Aquarius
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C/2020 V2 (ZTF)

C/2020 V2 (ZTF)  radio_button_checked

Magnitude: 15.3 (Observed - COBS) trending_down
Coma Diameter: 0.6'
Tail Length: n/a
Observation Date: 2024-11-10
Apparent: 20h 55m 24s  -65° 53’ 33”
J2000: 20h 53m 14s  -65° 59’ 17”
in Pavo
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12P/Pons-Brooks

12P/Pons-Brooks  radio_button_checked

Magnitude: 15.4 (Predicted - JPL) trending_down
Apparent: 15h 15m 45s  -47° 40’ 55”
J2000: 15h 14m 01s  -47° 35’ 26”
in Lupus
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C/2017 K2 (PANSTARRS)

C/2017 K2 (PANSTARRS)  radio_button_checked

Magnitude: 15.4 (Observed - COBS) trending_flat
Coma Diameter: 0.7'
Tail Length: n/a
Observation Date: 2024-11-10
Apparent: 06h 16m 38s  +19° 24’ 54”
J2000: 06h 15m 10s  +19° 25’ 28”
in Orion
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C/2022 S4 (Lemmon)

C/2022 S4 (Lemmon)  radio_button_checked

Magnitude: 15.4 (Predicted - JPL) trending_down
Apparent: 14h 11m 12s  -60° 12’ 12”
J2000: 14h 09m 24s  -60° 05’ 12”
in Centaurus
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130P/McNaught-Hughes

130P/McNaught-Hughes  radio_button_checked

Magnitude: 15.8 (Observed - COBS) trending_down
Coma Diameter: 0.8'
Tail Length: 4.2'
Observation Date: 2024-11-10
Apparent: 02h 01m 15s  +06° 41’ 06”
J2000: 01h 59m 57s  +06° 33’ 56”
in Pisces
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C/2022 E2 (ATLAS)

C/2022 E2 (ATLAS)  radio_button_checked

Magnitude: 15.8 (Observed - COBS) trending_flat
Coma Diameter: n/a
Tail Length: n/a
Observation Date: 2024-11-09
Apparent: 06h 30m 00s  +64° 17’ 02”
J2000: 06h 27m 35s  +64° 18’ 04”
in Camelopardalis
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C/2024 J2 (Wierzchos)

C/2024 J2 (Wierzchos)  radio_button_checked

Magnitude: 16.2 (Predicted - JPL) trending_up
Apparent: 16h 30m 35s  +36° 37’ 42”
J2000: 16h 29m 42s  +36° 40’ 53”
in Hercules
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