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A Complete Guide to the Solar System and the Night Sky
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Solar System Object Locator

Use this form to visualize the position of Solar System objects at given date and time on an interactive sky map.
Time: : UTC

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

C/2021 T4 (Lemmon)   radio_button_checked

C/2021 T4 (Lemmon)

C/2021 T4 (Lemmon)   radio_button_checked

Magnitude: 17.5 (Observed - COBS) trending_down
Coma Diameter: 0.6'
Tail Length: n/a
Observation Date: 2024-05-09
RA: 12h 01m 20s   Decl: +23° 03’ 02”
in Coma

C/2020 S4 (PANSTARRS)   radio_button_checked

C/2020 S4 (PANSTARRS)

C/2020 S4 (PANSTARRS)   radio_button_checked

Magnitude: 18.3 (Observed - COBS) trending_down
Coma Diameter: 0.4'
Tail Length: n/a
Observation Date: 2024-05-08
RA: 14h 19m 35s   Decl: +12° 05’ 59”
in Bootes

207P/NEAT   radio_button_checked

207P/NEAT

207P/NEAT   radio_button_checked

Magnitude: 19.1 (Observed - COBS) trending_down
Coma Diameter: 0.4'
Tail Length: n/a
Observation Date: 2024-05-10
RA: 11h 47m 35s   Decl: +03° 54’ 11”
in Virgo

C/2024 E1 (Wierzchos)   radio_button_checked

C/2024 E1 (Wierzchos)

C/2024 E1 (Wierzchos)   radio_button_checked

Magnitude: 19.5 (Observed - COBS) trending_up
Coma Diameter: 0.3'
Tail Length: n/a
Observation Date: 2024-05-11
RA: 16h 50m 46s   Decl: +61° 58’ 37”
in Draco

C/2023 V4 (Camarasa-Duszanowicz)   radio_button_checked

C/2023 V4 (Camarasa-Duszanowicz)

C/2023 V4 (Camarasa-Duszanowicz)   radio_button_checked

Magnitude: 14.0 (Predicted - JPL) trending_up
RA: 04h 17m 05s   Decl: +40° 03’ 39”
in Perseus

C/2022 S4 (Lemmon)   radio_button_checked

C/2022 S4 (Lemmon)

C/2022 S4 (Lemmon)   radio_button_checked

Magnitude: 14.9 (Predicted - JPL) trending_up
RA: 03h 25m 31s   Decl: -37° 13’ 46”
in Fornax

P/2010 H2 (Vales)   radio_button_checked

P/2010 H2 (Vales)

P/2010 H2 (Vales)   radio_button_checked

Magnitude: 15.0 (Predicted - JPL) trending_flat
RA: 08h 18m 28s   Decl: +32° 15’ 45”
in Cancer

154P/Brewington   radio_button_checked

154P/Brewington

154P/Brewington   radio_button_checked

Magnitude: 16.0 (Predicted - JPL) trending_up
RA: 01h 42m 59s   Decl: +16° 58’ 11”
in Pisces

C/2017 K2 (PANSTARRS)   radio_button_checked

C/2017 K2 (PANSTARRS)

C/2017 K2 (PANSTARRS)   radio_button_checked

Magnitude: 16.7 (Predicted - JPL) trending_down
RA: 05h 32m 40s   Decl: +13° 21’ 58”
in Orion

P/2023 B1 (PANSTARRS)   radio_button_checked

P/2023 B1 (PANSTARRS)

P/2023 B1 (PANSTARRS)   radio_button_checked

Magnitude: 17.1 (Predicted - JPL) trending_down
RA: 12h 19m 57s   Decl: +14° 33’ 01”
in Coma

C/2019 L3 (ATLAS)   radio_button_checked

C/2019 L3 (ATLAS)

C/2019 L3 (ATLAS)   radio_button_checked

Magnitude: 17.2 (Predicted - JPL) trending_flat
RA: 10h 36m 00s   Decl: -49° 47’ 38”
in Vela

C/2022 N2 (PANSTARRS)   radio_button_checked

C/2022 N2 (PANSTARRS)

C/2022 N2 (PANSTARRS)   radio_button_checked

Magnitude: 17.2 (Predicted - JPL) trending_up
RA: 22h 48m 43s   Decl: -06° 28’ 08”
in Aquarius

130P/McNaught-Hughes   radio_button_checked

130P/McNaught-Hughes

130P/McNaught-Hughes   radio_button_checked

Magnitude: 17.3 (Predicted - JPL) trending_flat
RA: 00h 07m 22s   Decl: -04° 44’ 33”
in Pisces

C/2021 X1 (Maury-Attard)   radio_button_checked

C/2021 X1 (Maury-Attard)

C/2021 X1 (Maury-Attard)   radio_button_checked

Magnitude: 17.4 (Predicted - JPL) trending_flat
RA: 22h 45m 05s   Decl: +17° 29’ 18”
in Pegasus

C/2022 A3 (Lemmon-ATLAS)   radio_button_checked

C/2022 A3 (Lemmon-ATLAS)

C/2022 A3 (Lemmon-ATLAS)   radio_button_checked

Magnitude: 17.4 (Predicted - JPL) trending_down
RA: 04h 31m 52s   Decl: -58° 00’ 25”
in Dorado

150P/LONEOS   radio_button_checked

150P/LONEOS

150P/LONEOS   radio_button_checked

Magnitude: 17.5 (Predicted - JPL) trending_down
RA: 10h 02m 52s   Decl: -14° 32’ 48”
in Hydra

C/2019 E3 (ATLAS)   radio_button_checked

C/2019 E3 (ATLAS)

C/2019 E3 (ATLAS)   radio_button_checked

Magnitude: 17.8 (Predicted - JPL) trending_flat
RA: 02h 46m 19s   Decl: -63° 06’ 10”
in Horologium

C/2023 T3 (Fuls)   radio_button_checked

C/2023 T3 (Fuls)

C/2023 T3 (Fuls)   radio_button_checked

Magnitude: 17.8 (Predicted - JPL) trending_up
RA: 08h 08m 54s   Decl: -05° 22’ 04”
in Monoceros

C/2021 Y1 (ATLAS)   radio_button_checked

C/2021 Y1 (ATLAS)

C/2021 Y1 (ATLAS)   radio_button_checked

Magnitude: 17.8 (Predicted - JPL) trending_down
RA: 15h 36m 56s   Decl: -41° 22’ 43”
in Lupus

P/2023 M4 (ATLAS)   radio_button_checked

P/2023 M4 (ATLAS)

P/2023 M4 (ATLAS)   radio_button_checked

Magnitude: 17.9 (Predicted - JPL) trending_flat
RA: 23h 42m 19s   Decl: +04° 02’ 26”
in Pisces
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