Highlights

• The Sun is in Taurus, the Moon is Waning Gibbous in Sagittarius
• T CrB: magnitude 10.012 ± 0.004 [2025-05-16 05:51:02 UTC, CCD/V, SRIC/AAVSO]
• Mercury is in favorable conditions for morning observations with a solar elongation of 15.4° (sky map)
• The Sun and Uranus are in conjunction, 1° 26’ 00” separation, decreasing
• Comet C/2025 F2 (SWAN) - SWAN25F: magnitude 8.74 in Orion
• Comet C/2023 A3 (Tsuchinshan-ATLAS): magnitude 11.5 in Vulpecula
• Comet 29P/Schwassmann-Wachmann: magnitude 13.4 in Leo
• Next NEO approach: Asteroid (NEO) 2021 PJ1, Aug 15 2025 at 04:38 UTC, 1,674,743 km, 4.36 lunar distances
• Asteroid 3 Juno is close to opposition
• Asteroid 9 Metis is close to opposition
• Asteroid 349 Dembowska (1892 T) is close to 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 34m 00s	+19° 12’ 37”	1,897.8”	-26.72 trending_flat	Taurus	map my_location
radio_button_checked Moon	18h 32m 21s	-28° 39’ 10”	1,805.8”	-11.52 trending_down	Sagittarius	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 34m 50s	+13° 21’ 43”	5.5”	-0.83 trending_up	Aries	map my_location
radio_button_checked Venus	00h 41m 56s	+03° 28’ 25”	29.0”	-4.59 trending_down	Pisces	map my_location
radio_button_checked Mars	09h 03m 58s	+18° 32’ 33”	6.0”	1.15 trending_up	Cancer	map my_location
radio_button_checked Jupiter	05h 36m 26s	+23° 07’ 05”	32.2”	-1.94 trending_flat	Taurus	map my_location
radio_button_checked Saturn	00h 00m 41s	-02° 09’ 29”	15.9”	1.13 trending_flat	Pisces	map my_location
radio_button_checked Uranus	03h 39m 55s	+19° 19’ 34”	3.4”	5.85 trending_flat	Taurus	map my_location
radio_button_checked Neptune	00h 07m 39s	-00° 34’ 15”	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 16	14:19	Io	Begin Occultation
May 16	17:11	Io	End Eclipse
May 16	20:16	Europa	Begin Occultation
May 17	00:14	Europa	End Eclipse
May 17	11:39	Io	Begin Transit
May 17	12:17	Io	Begin Shadow Transit
May 17	13:53	Io	End Transit
May 17	14:31	Io	End Shadow 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 242 comets).

	Comet	R.A.	Decl.	Magnitude (COBS)Mag Obs	Magnitude (JPL)Mag Pred		ConstellationConst	Charts
radio_button_checked	C/2025 F2 (SWAN)	05h 04m 19s	+00° 39’ 29”	-	8.74	trending_down	Orion Ori	map my_location
radio_button_checked	C/2023 A3 (Tsuchinshan-ATLAS)	20h 01m 59s	+26° 22’ 48”	11.5	14.34	trending_down	Vulpecula Vul	map my_location
radio_button_checked	29P/Schwassmann-Wachmann	09h 40m 18s	+10° 26’ 06”	13.4	17.67	trending_down	Leo Leo	map my_location
radio_button_checked	C/2021 G2 (Atlas)	15h 18m 53s	-05° 51’ 43”	13.5	14.85	trending_down	Libra Lib	map my_location
radio_button_checked	P/2010 H2 (Vales)	13h 11m 02s	+05° 29’ 47”	-	13.68	trending_down	Virgo Vir	map my_location
radio_button_checked	C/2023 C2 (ATLAS)	23h 15m 54s	+31° 14’ 03”	14.2	16.01	trending_down	Pegasus Peg	map my_location
radio_button_checked	C/2024 J2 (Wierzchos)	01h 23m 48s	+12° 59’ 18”	-	14.60	trending_down	Pisces Psc	map my_location
radio_button_checked	C/2024 L5 (ATLAS)	11h 35m 53s	-12° 06’ 01”	15.3	16.03	trending_down	Crater Crt	map my_location
radio_button_checked	C/2022 E2 (ATLAS)	01h 51m 36s	+49° 17’ 39”	-	15.35	trending_down	Perseus Per	map my_location
radio_button_checked	C/2022 N2 (PANSTARRS)	01h 39m 05s	+14° 31’ 39”	-	15.50	trending_up	Pisces Psc	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 39m 29s	-03° 58’ 19”	5.78	trending_down	Virgo	map my_location
radio_button_checked	1 Ceres	00h 14m 17s	-08° 25’ 33”	9.29	trending_flat	Cetus	map my_location
radio_button_checked	7 Iris	03h 54m 42s	+21° 19’ 56”	9.56	trending_up	Taurus	map my_location
radio_button_checked	9 Metis	15h 01m 49s	-14° 08’ 54”	9.84	trending_down	Libra	map my_location
radio_button_checked	6 Hebe	21h 52m 11s	-07° 23’ 55”	9.96	trending_up	Aquarius	map my_location
radio_button_checked	3 Juno	15h 42m 02s	-02° 30’ 30”	9.99	trending_flat	Serpens	map my_location
radio_button_checked	2 Pallas	21h 05m 09s	+14° 24’ 17”	10.28	trending_up	Delphinus	map my_location
radio_button_checked	349 Dembowska	15h 08m 21s	-21° 55’ 55”	10.33	trending_down	Libra	map my_location
radio_button_checked	15 Eunomia	07h 07m 56s	+20° 45’ 09”	10.71	trending_flat	Gemini	map my_location
radio_button_checked	5 Astraea	17h 20m 32s	-15° 14’ 37”	10.91	trending_up	Serpens	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	Daytime Arietids	7 Jun	02h 53m	+24°	50	medium	1566 Icarus ?	map