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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
sunny   (Daytime)   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

20D/Westphal (Lost)   radio_button_checked

20D/Westphal (Lost)

20D/Westphal (Lost)   radio_button_checked

Magnitude: 29.4 (Predicted - JPL) trending_flat
RA: 14h 09m 32s   Decl: -55° 10’ 51”
in Centaurus

325P/Yang-Gao   radio_button_checked

325P/Yang-Gao

325P/Yang-Gao   radio_button_checked

Magnitude: 29.6 (Predicted - JPL) trending_down
RA: 02h 23m 09s   Decl: +23° 15’ 24”
in Aries

73P/Schwassmann-Wachmann   radio_button_checked

73P/Schwassmann-Wachmann

73P/Schwassmann-Wachmann   radio_button_checked

Magnitude: 29.7 (Predicted - JPL) trending_down
RA: 04h 19m 15s   Decl: +21° 41’ 35”
in Taurus

332P/Ikeya-Murakami   radio_button_checked

332P/Ikeya-Murakami

332P/Ikeya-Murakami   radio_button_checked

Magnitude: 29.8 (Predicted - JPL) trending_up
RA: 23h 19m 46s   Decl: -08° 35’ 19”
in Aquarius

P/2019 Y2 (Fuls)   radio_button_checked

P/2019 Y2 (Fuls)

P/2019 Y2 (Fuls)   radio_button_checked

Magnitude: 29.8 (Predicted - JPL) trending_up
RA: 01h 45m 45s   Decl: +07° 18’ 35”
in Pisces

92P/Sanguin   radio_button_checked

92P/Sanguin

92P/Sanguin   radio_button_checked

Magnitude: 29.9 (Predicted - JPL) trending_flat
RA: 12h 30m 15s   Decl: +01° 05’ 02”
in Virgo

132P/Helin-Roman-Alu   radio_button_checked

132P/Helin-Roman-Alu

132P/Helin-Roman-Alu   radio_button_checked

Magnitude: 30.1 (Predicted - JPL) trending_down
RA: 12h 02m 06s   Decl: +01° 21’ 01”
in Virgo

41P/Tuttle-Giacobini-Kresak   radio_button_checked

41P/Tuttle-Giacobini-Kresak

41P/Tuttle-Giacobini-Kresak   radio_button_checked

Magnitude: 30.1 (Predicted - JPL) trending_flat
RA: 00h 42m 30s   Decl: -01° 03’ 03”
in Cetus

57P/duToit-Neujmin-Delporte   radio_button_checked

57P/duToit-Neujmin-Delporte

57P/duToit-Neujmin-Delporte   radio_button_checked

Magnitude: 30.4 (Predicted - JPL) trending_down
RA: 06h 43m 24s   Decl: +20° 30’ 49”
in Gemini

134P/Kowal-Vavrova   radio_button_checked

134P/Kowal-Vavrova

134P/Kowal-Vavrova   radio_button_checked

Magnitude: 30.8 (Predicted - JPL) trending_flat
RA: 03h 37m 29s   Decl: +17° 04’ 56”
in Taurus

34D/Gale (Lost)   radio_button_checked

34D/Gale (Lost)

34D/Gale (Lost)   radio_button_checked

Magnitude: 31.0 (Predicted - JPL) trending_flat
RA: 07h 52m 40s   Decl: +30° 17’ 06”
in Gemini

P/2014 L2 (NEOWISE)   radio_button_checked

P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)   radio_button_checked

Magnitude: 31.5 (Predicted - JPL) trending_flat
RA: 10h 44m 25s   Decl: +09° 30’ 32”
in Leo

106P/Schuster   radio_button_checked

106P/Schuster

106P/Schuster   radio_button_checked

Magnitude: 31.6 (Predicted - JPL) trending_down
RA: 13h 45m 03s   Decl: -01° 49’ 47”
in Virgo

252P/LINEAR   radio_button_checked

252P/LINEAR

252P/LINEAR   radio_button_checked

Magnitude: 31.9 (Predicted - JPL) trending_up
RA: 00h 13m 49s   Decl: +03° 51’ 35”
in Pisces

11P/Tempel-Swift-LINEAR   radio_button_checked

11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR   radio_button_checked

Magnitude: 32.4 (Predicted - JPL) trending_flat
RA: 15h 46m 06s   Decl: -20° 44’ 19”
in Libra

45P/Honda-Mrkos-Pajdusakova   radio_button_checked

45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova   radio_button_checked

Magnitude: 32.9 (Predicted - JPL) trending_down
RA: 15h 08m 10s   Decl: -14° 03’ 33”
in Libra

C/2020 A2 (Iwamoto)   radio_button_checked

C/2020 A2 (Iwamoto)

C/2020 A2 (Iwamoto)   radio_button_checked

Magnitude: 33.3 (Predicted - JPL) trending_flat
RA: 05h 32m 04s   Decl: -06° 46’ 42”
in Orion

P/2016 J3 (STEREO)   radio_button_checked

P/2016 J3 (STEREO)

P/2016 J3 (STEREO)   radio_button_checked

Magnitude: 33.5 (Predicted - JPL) trending_up
RA: 20h 45m 04s   Decl: -00° 39’ 39”
in Aquarius

P/2016 J3 (STEREO)   radio_button_checked

P/2016 J3 (STEREO)

P/2016 J3 (STEREO)   radio_button_checked

Magnitude: 33.5 (Predicted - JPL) trending_up
RA: 20h 45m 04s   Decl: -00° 39’ 39”
in Aquarius

C/1996 B2 (Hyakutake)   radio_button_checked

C/1996 B2 (Hyakutake)

C/1996 B2 (Hyakutake)   radio_button_checked

Magnitude: 34.3 (Predicted - JPL) trending_flat
RA: 13h 44m 09s   Decl: -59° 21’ 14”
in Centaurus
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