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A Complete Guide to the Solar System and the Night Sky
FAQ
FAQ
public Location: Greenwich, United Kingdom
Timezone: Europe/London
Sunrise: 5:24 
Transit: 12:55 
Sunset: 20:27
wb_twilight   (Nautical Twilight)   What's Visible Now?

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

249P/LINEAR   radio_button_checked

249P/LINEAR

249P/LINEAR   radio_button_checked

Magnitude: 23.2 (Predicted - JPL) trending_flat
RA: 08h 57m 59s   Decl: +08° 04’ 04”
in Cancer

P/2017 S5 (ATLAS)   radio_button_checked

P/2017 S5 (ATLAS)

P/2017 S5 (ATLAS)   radio_button_checked

Magnitude: 23.3 (Predicted - JPL) trending_down
RA: 05h 51m 26s   Decl: +18° 45’ 19”
in Orion

290P/Jager   radio_button_checked

290P/Jager

290P/Jager   radio_button_checked

Magnitude: 23.3 (Predicted - JPL) trending_up
RA: 21h 50m 32s   Decl: -06° 00’ 34”
in Aquarius

17P/Holmes   radio_button_checked

17P/Holmes

17P/Holmes   radio_button_checked

Magnitude: 23.3 (Predicted - JPL) trending_down
RA: 10h 12m 01s   Decl: +04° 15’ 27”
in Sextans

C/2014 F3 (Sheppard-Trujillo)   radio_button_checked

C/2014 F3 (Sheppard-Trujillo)

C/2014 F3 (Sheppard-Trujillo)   radio_button_checked

Magnitude: 23.4 (Predicted - JPL) trending_down
RA: 02h 52m 00s   Decl: +22° 27’ 50”
in Aries

7P/Pons-Winnecke   radio_button_checked

7P/Pons-Winnecke

7P/Pons-Winnecke   radio_button_checked

Magnitude: 23.4 (Predicted - JPL) trending_down
RA: 05h 08m 00s   Decl: +19° 19’ 02”
in Taurus

C/2020 S3 (Erasmus)   radio_button_checked

C/2020 S3 (Erasmus)

C/2020 S3 (Erasmus)   radio_button_checked

Magnitude: 23.5 (Predicted - JPL) trending_flat
RA: 00h 45m 05s   Decl: +14° 55’ 24”
in Pisces

53P/Van Biesbroeck   radio_button_checked

53P/Van Biesbroeck

53P/Van Biesbroeck   radio_button_checked

Magnitude: 23.5 (Predicted - JPL) trending_down
RA: 07h 41m 20s   Decl: +18° 21’ 03”
in Gemini

25D/Neujmin 2 (Lost)   radio_button_checked

25D/Neujmin 2 (Lost)

25D/Neujmin 2 (Lost)   radio_button_checked

Magnitude: 23.6 (Predicted - JPL) trending_up
RA: 02h 25m 52s   Decl: +16° 20’ 44”
in Aries

C/2022 Q2 (ATLAS)   radio_button_checked

C/2022 Q2 (ATLAS)

C/2022 Q2 (ATLAS)   radio_button_checked

Magnitude: 23.6 (Predicted - JPL) trending_down
RA: 12h 37m 47s   Decl: +09° 04’ 44”
in Virgo

64P/Swift-Gehrels   radio_button_checked

64P/Swift-Gehrels

64P/Swift-Gehrels   radio_button_checked

Magnitude: 23.7 (Predicted - JPL) trending_flat
RA: 14h 37m 33s   Decl: -25° 53’ 57”
in Hydra

70P/Kojima   radio_button_checked

70P/Kojima

70P/Kojima   radio_button_checked

Magnitude: 23.8 (Predicted - JPL) trending_up
RA: 19h 18m 53s   Decl: -19° 31’ 01”
in Sagittarius

213P/Van Ness   radio_button_checked

213P/Van Ness

213P/Van Ness   radio_button_checked

Magnitude: 23.8 (Predicted - JPL) trending_down
RA: 01h 35m 56s   Decl: +17° 30’ 12”
in Pisces

269P/Jedicke   radio_button_checked

269P/Jedicke

269P/Jedicke   radio_button_checked

Magnitude: 24.0 (Predicted - JPL) trending_flat
RA: 19h 40m 44s   Decl: -15° 55’ 04”
in Sagittarius

294P/LINEAR   radio_button_checked

294P/LINEAR

294P/LINEAR   radio_button_checked

Magnitude: 24.0 (Predicted - JPL) trending_up
RA: 02h 30m 49s   Decl: +29° 41’ 02”
in Triangulum

297P/Beshore   radio_button_checked

297P/Beshore

297P/Beshore   radio_button_checked

Magnitude: 24.0 (Predicted - JPL) trending_flat
RA: 03h 22m 53s   Decl: +12° 46’ 06”
in Aries

297P/Beshore (2008 J2)   radio_button_checked

297P/Beshore (2008 J2)

297P/Beshore (2008 J2)   radio_button_checked

Magnitude: 24.0 (Predicted - JPL) trending_flat
RA: 03h 22m 53s   Decl: +12° 46’ 06”
in Aries

C/2023 E1 (ATLAS)   radio_button_checked

C/2023 E1 (ATLAS)

C/2023 E1 (ATLAS)   radio_button_checked

Magnitude: 24.1 (Predicted - JPL) trending_down
RA: 02h 24m 34s   Decl: -09° 32’ 32”
in Cetus

263P/Gibbs   radio_button_checked

263P/Gibbs

263P/Gibbs   radio_button_checked

Magnitude: 24.2 (Predicted - JPL) trending_flat
RA: 20h 10m 10s   Decl: -20° 06’ 40”
in Capricornus

40P/Vaisala   radio_button_checked

40P/Vaisala

40P/Vaisala   radio_button_checked

Magnitude: 24.3 (Predicted - JPL) trending_flat
RA: 03h 34m 27s   Decl: +09° 46’ 25”
in Taurus
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