Highlights

• The Sun is in Taurus, the Moon is New in Taurus
• T CrB: magnitude 10.131 ± 0.005 [2025-05-27 11:30:02 UTC, CCD/CV, IDG/AAVSO]
• Comet 29P/Schwassmann-Wachmann: magnitude 10.9 in Leo
• Comet C/2025 F2 (SWAN): magnitude 11.22 in Lepus
• Comet C/2021 G2 (Atlas): magnitude 13.6 in Libra
• Next NEO approach: Asteroid (NEO) 2025 KX3, May 28 2025 at 15:54 UTC, 339,752 km, 0.88 lunar distances
• Asteroid 5 Astraea 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	04h 19m 44s	+21° 26’ 13”	1,893.6”	-26.71 trending_flat	Taurus	map my_location
radio_button_checked Moon	04h 57m 37s	+26° 55’ 38”	1,980.4”	-5.16 trending_up	Taurus	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	04h 07m 26s	+21° 05’ 27”	5.1”	-2.06 trending_up	Taurus	map my_location
radio_button_checked Venus	01h 20m 27s	+06° 25’ 29”	25.1”	-4.46 trending_down	Pisces	map my_location
radio_button_checked Mars	09h 27m 05s	+16° 36’ 42”	5.6”	1.16 trending_flat	Leo	map my_location
radio_button_checked Jupiter	05h 47m 16s	+23° 13’ 01”	31.8”	-1.92 trending_flat	Taurus	map my_location
radio_button_checked Saturn	00h 04m 03s	-01° 50’ 19”	16.2”	1.10 trending_flat	Pisces	map my_location
radio_button_checked Uranus	03h 42m 38s	+19° 28’ 38”	3.4”	5.85 trending_flat	Taurus	map my_location
radio_button_checked Neptune	00h 08m 37s	-00° 28’ 37”	2.2”	7.79 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 5 upcoming phenomena of Jupiter's satellites:

Date	Local Time	Satellite	Event
May 28	02:42	Io	Begin Transit
May 28	03:09	Io	Begin Shadow Transit
May 28	04:56	Io	End Transit
May 28	05:24	Io	End Shadow Transit
May 28	23:51	Io	Begin Occultation

To see the complete list of the upcoming phenomena for the next 7 days consult the dedicated Jupiter's Galilean Moons section.

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 243 comets).

	Comet	R.A.	Decl.	Magnitude (COBS)Mag Obs	Magnitude (JPL)Mag Pred		ConstellationConst	Charts
radio_button_checked	29P/Schwassmann-Wachmann	09h 43m 38s	+10° 08’ 16”	10.9	17.73	trending_down	Leo Leo	map my_location
radio_button_checked	C/2025 F2 (SWAN)	05h 24m 37s	-11° 46’ 38”	-	11.22	trending_down	Lepus Lep	map my_location
radio_button_checked	C/2021 G2 (Atlas)	15h 14m 22s	-04° 31’ 29”	13.6	14.91	trending_down	Libra Lib	map my_location
radio_button_checked	P/2010 H2 (Vales)	13h 07m 53s	+04° 35’ 09”	-	13.80	trending_down	Virgo Vir	map my_location
radio_button_checked	C/2024 J2 (Wierzchos)	01h 43m 22s	+10° 46’ 57”	-	14.78	trending_down	Pisces Psc	map my_location
radio_button_checked	C/2023 A3 (Tsuchinshan-ATLAS)	19h 48m 47s	+27° 46’ 08”	15.1	14.42	trending_down	Vulpecula Vul	map my_location
radio_button_checked	C/2022 E2 (ATLAS)	01h 53m 58s	+50° 05’ 38”	-	15.38	trending_flat	Perseus Per	map my_location
radio_button_checked	C/2022 N2 (PANSTARRS)	01h 53m 23s	+15° 59’ 37”	-	15.44	trending_flat	Aries Ari	map my_location
radio_button_checked	C/2022 QE78 (ATLAS)	07h 01m 55s	+16° 54’ 57”	-	15.74	trending_down	Gemini Gem	map my_location
radio_button_checked	C/2024 G3 (ATLAS)	02h 32m 15s	-52° 53’ 01”	-	15.85	trending_down	Horologium Hor	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 79 asteroids and dwarf planets.)

	Asteroid	R.A.	Decl.	MagnitudeMag		ConstellationConst	Charts
radio_button_checked	4 Vesta	14h 30m 38s	-04° 08’ 57”	6.01	trending_down	Virgo	map my_location
radio_button_checked	1 Ceres	00h 27m 51s	-07° 23’ 51”	9.25	trending_flat	Cetus	map my_location
radio_button_checked	7 Iris	04h 24m 36s	+22° 19’ 50”	9.41	trending_up	Taurus	map my_location
radio_button_checked	6 Hebe	22h 06m 41s	-06° 44’ 37”	9.77	trending_up	Aquarius	map my_location
radio_button_checked	3 Juno	15h 32m 47s	-01° 52’ 57”	10.08	trending_down	Serpens	map my_location
radio_button_checked	9 Metis	14h 51m 17s	-13° 49’ 54”	10.14	trending_down	Libra	map my_location
radio_button_checked	2 Pallas	21h 07m 46s	+15° 32’ 08”	10.17	trending_up	Delphinus	map my_location
radio_button_checked	349 Dembowska	14h 58m 35s	-21° 37’ 00”	10.52	trending_down	Libra	map my_location
radio_button_checked	5 Astraea	17h 10m 41s	-15° 00’ 06”	10.70	trending_up	Ophiuchus	map my_location
radio_button_checked	15 Eunomia	07h 26m 57s	+19° 46’ 45”	10.76	trending_flat	Gemini	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