Highlights

• 🌕 Upcoming Full Moon on Monday, 12 May 2025 at 17:56
• The Sun is in Aries, the Moon is Waxing Gibbous in Libra
• T CrB: magnitude 10.140 ± 0.007 [2025-05-11 10:44:15 UTC, CCD/CV, IDG/AAVSO]
• Mercury is in favorable conditions for morning observations with a solar elongation of 19° (sky map)
• Comet C/2025 F2 (SWAN) - SWAN25F: magnitude 8.6 in Orion
• Comet P/2010 H2 (Vales): magnitude 13.64 in Virgo
• Comet C/2021 G2 (Atlas): magnitude 14.0 in Libra
• Next NEO approach: Asteroid (NEO) 2025 JA1, May 12 2025 at 04:21 UTC, 1,529,535 km, 3.98 lunar distances
• The Moon is close to opposition
• Asteroid 3 Juno is close to opposition
• Asteroid 4 Vesta is close to opposition
• Asteroid 9 Metis is at opposition
• Asteroid 192 Nausikaa is close to opposition
• Asteroid 349 Dembowska (1892 T) is at opposition

Popular Objects

Popular objects during the last 7 days based on the number of visualizations.

Sun and Moon

How the Sun and the Moon look like today.

	R.A.	Decl.	Apparent Diameter	MagnitudeMag	ConstellationConst	Charts
radio_button_checked Sun	03h 16m 56s	+18° 10’ 27”	1,899.6”	-26.72 trending_flat	Aries	map my_location
radio_button_checked Moon	14h 44m 43s	-20° 53’ 30”	1,765.8”	-12.38 trending_up	Libra	map

The Planets

Current essential information about the planets. Click each planet to view full details.

Planet	R.A.	Decl.	Diameter	MagnitudeMag	ConstellationConst	Charts
radio_button_checked Mercury	02h 05m 23s	+10° 19’ 03”	5.8”	-0.49 trending_up	Pisces	map my_location
radio_button_checked Venus	00h 28m 37s	+02° 34’ 20”	30.9”	-4.64 trending_down	Cetus	map my_location
radio_button_checked Mars	08h 55m 22s	+19° 13’ 01”	6.1”	1.11 trending_up	Cancer	map my_location
radio_button_checked Jupiter	05h 32m 27s	+23° 04’ 08”	32.4”	-1.95 trending_flat	Taurus	map my_location
radio_button_checked Saturn	23h 59m 16s	-02° 17’ 47”	15.8”	1.14 trending_flat	Pisces	map my_location
radio_button_checked Uranus	03h 38m 52s	+19° 16’ 04”	3.4”	5.85 trending_flat	Taurus	map my_location
radio_button_checked Neptune	00h 07m 14s	-00° 36’ 46”	2.2”	7.80 trending_flat	Pisces	map my_location

Jupiter Moons

Position of the Galilean satellites of Jupiter. A dedicated tool is available, with more advanced features.

List of upcoming phenomena of Jupiter's satellites:

Date	Local Time	Satellite	Event
May 12	04:08	Io	Begin Transit
May 12	04:19	Ganimede	End Eclipse
May 12	04:51	Io	Begin Shadow Transit
May 12	06:21	Io	End Transit
May 12	07:05	Io	End Shadow Transit
May 13	01:18	Io	Begin Occultation
May 13	04:14	Io	End Eclipse
May 13	06:50	Europa	Begin Occultation
May 13	10:55	Europa	End Eclipse
May 13	22:38	Io	Begin Transit
May 13	23:19	Io	Begin Shadow Transit
May 14	00:52	Io	End Transit

Saturn Moons & Rings

Inclination of the rings of Saturn and positions of major satellites. A dedicated tool is available, with more advanced features.

Apparent Planet Sizes

Comparison between the apparent size of the planets, measured in seconds of a degree, as they appear today.

Credits for the planet images: NASA-APL - NASA.

Brightest Comets

List of the 10 brightest comets (open the full list of 241 comets).

	Comet	R.A.	Decl.	Magnitude (COBS)Mag Obs	Magnitude (JPL)Mag Pred		ConstellationConst	Charts
radio_button_checked	C/2025 F2 (SWAN)	04h 51m 37s	+07° 16’ 06”	8.6	7.58	trending_down	Orion Ori	map my_location
radio_button_checked	P/2010 H2 (Vales)	13h 12m 52s	+05° 46’ 00”	-	13.64	trending_down	Virgo Vir	map my_location
radio_button_checked	C/2021 G2 (Atlas)	15h 20m 41s	-06° 24’ 38”	14.0	14.84	trending_flat	Libra Lib	map my_location
radio_button_checked	C/2024 J2 (Wierzchos)	01h 16m 02s	+13° 45’ 30”	-	14.53	trending_down	Pisces Psc	map my_location
radio_button_checked	C/2022 E2 (ATLAS)	01h 50m 25s	+49° 02’ 02”	-	15.34	trending_flat	Perseus Per	map my_location
radio_button_checked	C/2024 G3 (ATLAS)	02h 05m 56s	-49° 21’ 54”	-	15.40	trending_down	Eridanus Eri	map my_location
radio_button_checked	C/2022 N2 (PANSTARRS)	01h 33m 38s	+13° 57’ 26”	-	15.52	trending_up	Pisces Psc	map my_location
radio_button_checked	21P/Giacobini-Zinner	03h 41m 10s	+06° 55’ 27”	-	15.58	trending_down	Taurus Tau	map my_location
radio_button_checked	C/2023 A3 (Tsuchinshan-ATLAS)	20h 06m 17s	+25° 45’ 36”	15.7	14.32	trending_down	Vulpecula Vul	map my_location
radio_button_checked	29P/Schwassmann-Wachmann	09h 39m 19s	+10° 31’ 20”	15.8	17.64	trending_flat	Leo Leo	map my_location

We acknowledge with thanks the comet observations from the COBS Comet Observation Database contributed by observers worldwide and used in this table to report recent comet observations.

Brightest Asteroids

List of the 10 brightest asteroids (open the full list of 78 asteroids and dwarf planets.)

	Asteroid	R.A.	Decl.	MagnitudeMag		ConstellationConst	Charts
radio_button_checked	4 Vesta	14h 43m 26s	-04° 00’ 59”	5.70	trending_down	Virgo	map my_location
radio_button_checked	1 Ceres	00h 08m 55s	-08° 51’ 13”	9.30	trending_flat	Cetus	map my_location
radio_button_checked	7 Iris	03h 43m 24s	+20° 52’ 00”	9.59	trending_up	Taurus	map my_location
radio_button_checked	9 Metis	15h 06m 11s	-14° 17’ 50”	9.71	trending_down	Libra	map my_location
radio_button_checked	3 Juno	15h 45m 36s	-02° 48’ 55”	9.99	trending_flat	Serpens	map my_location
radio_button_checked	6 Hebe	21h 46m 20s	-07° 41’ 49”	10.03	trending_up	Aquarius	map my_location
radio_button_checked	349 Dembowska	15h 12m 16s	-22° 02’ 04”	10.29	trending_flat	Libra	map my_location
radio_button_checked	2 Pallas	21h 03m 34s	+13° 56’ 22”	10.31	trending_up	Delphinus	map my_location
radio_button_checked	15 Eunomia	07h 00m 46s	+21° 05’ 24”	10.68	trending_down	Gemini	map my_location
radio_button_checked	8 Flora	11h 16m 39s	+12° 45’ 12”	10.88	trending_down	Leo	map my_location

Active Meteor Showers

List of the currently active meteor showers.

	Name	Peak	Radiant R.A.	Radiant Decl.	ZHR ⓘ	Rating	Parent Object	Charts
radio_button_checked	Eta Aquariids	6 May	22h 30m	-01°	50	bright	1P/Halley	map
radio_button_checked	Eta Lyrids	9 May	19h 06m	+44°	3	medium		map