Highlights
- The Sun is in Aries, the Moon is Third Quarter in Capricornus
- T CrB: magnitude
9.928 ± 0.029 [2025-04-21 11:19:19 UTC, CCD/V, SRIC/AAVSO] -
Mercury is in very favorable conditions for morning observations with a solar elongation of
27.4° (sky map) - Comet C/2025 F2 (SWAN) - SWAN25F:
magnitude
9.1 in Andromeda - Comet C/2021 G2 (Atlas):
magnitude
13.5 in Libra - Comet P/2010 H2 (Vales):
magnitude
13.52 in Virgo -
Next NEO approach:
Asteroid (NEO) 2025 GD1,
Apr 22 2025 at 23:22 UTC,1,594,344 km,4.15 lunar distances - Asteroid 4 Vesta is close to opposition
- Asteroid 192 Nausikaa is close to opposition
- Asteroid 324 Bamberga is close to opposition
Popular Objects
Popular objects during the last 7 days based on the number of visualizations.
The Solar System
Current positions of the major bodies of the Solar System and the brightest comets.
Sun and Moon
How the Sun and the Moon look like today.
R.A. | Decl. | Apparent Diameter | MagnitudeMag | ConstellationConst | Charts | |
---|---|---|---|---|---|---|
Sun | 01h 58m 53s | +12° 07’ 45” | 1,909.2” | -26.73 | Aries | map my_location |
Moon | 20h 55m 31s | -21° 43’ 52” | 1,875.8” | -9.79 | Capricornus | map |
The Planets
Current essential information about the planets. Click each planet to view full details.
Planet | R.A. | Decl. | Diameter | MagnitudeMag | ConstellationConst | Charts |
---|---|---|---|---|---|---|
Mercury | 00h 20m 52s | -00° 27’ 36” | 7.9” | 0.42 | Pisces | map my_location |
Venus | 23h 41m 04s | +00° 58’ 50” | 42.4” | -4.78 | Pisces | map my_location |
Mars | 08h 17m 02s | +21° 56’ 57” | 7.0” | 0.73 | Cancer | map my_location |
Jupiter | 05h 14m 43s | +22° 46’ 09” | 33.6” | -2.01 | Taurus | map my_location |
Saturn | 23h 51m 41s | -03° 03’ 13” | 15.4” | 1.17 | Pisces | map my_location |
Uranus | 03h 34m 08s | +18° 59’ 44” | 3.4” | 5.84 | Taurus | map my_location |
Neptune | 00h 04m 57s | -00° 50’ 51” | 2.2” | 7.82 | 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 |
---|---|---|---|
Apr 21 | 22:21 | Europa | Begin Occultation |
Apr 21 | 22:30 | Io | End Eclipse |
Apr 22 | 03:02 | Europa | End Eclipse |
Apr 22 | 16:34 | Io | Begin Transit |
Apr 22 | 17:33 | Io | Begin Shadow Transit |
Apr 22 | 18:48 | Io | End Transit |
Apr 22 | 19:48 | 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.

7.9”

42.4”

7.0”

33.6”

15.4”

3.4”

2.2”
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 | ||
---|---|---|---|---|---|---|---|---|
C/2025 F2 (SWAN) | 01h 31m 12s | +35° 01’ 57” | 9.1 | 7.22 | Andromeda And | map my_location | ||
C/2021 G2 (Atlas) | 15h 28m 54s | -09° 10’ 27” | 13.5 | 14.81 | Libra Lib | map my_location | ||
P/2010 H2 (Vales) | 13h 25m 22s | +06° 24’ 43” | - | 13.52 | Virgo Vir | map my_location | ||
C/2024 J2 (Wierzchos) | 00h 36m 59s | +17° 00’ 55” | - | 14.25 | Pisces Psc | map my_location | ||
C/2023 A3 (Tsuchinshan-ATLAS) | 20h 21m 00s | +22° 24’ 15” | 14.3 | 14.21 | Vulpecula Vul | map my_location | ||
29P/Schwassmann-Wachmann | 09h 37m 08s | +10° 44’ 05” | 14.7 | 17.52 | Leo Leo | map my_location | ||
C/2024 G3 (ATLAS) | 01h 30m 42s | -45° 46’ 09” | - | 14.74 | Phoenix Phe | map my_location | ||
C/2023 C2 (ATLAS) | 22h 50m 35s | +22° 55’ 08” | 15.0 | 15.92 | Pegasus Peg | map my_location | ||
21P/Giacobini-Zinner | 02h 20m 56s | +06° 36’ 31” | - | 15.07 | Cetus Cet | map my_location | ||
C/2024 A1 (ATLAS) | 06h 37m 04s | +07° 39’ 46” | 15.2 | 16.22 | Monoceros Mon | 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 | ||
---|---|---|---|---|---|---|---|
4 Vesta | 15h 02m 32s | -04° 53’ 33” | 5.76 | Libra | map my_location | ||
1 Ceres | 23h 42m 17s | -11° 05’ 34” | 9.31 | Aquarius | map my_location | ||
7 Iris | 02h 50m 54s | +18° 05’ 54” | 9.73 | Aries | map my_location | ||
9 Metis | 15h 26m 05s | -15° 01’ 28” | 10.08 | Libra | map my_location | ||
3 Juno | 16h 00m 29s | -04° 36’ 39” | 10.19 | Libra | map my_location | ||
6 Hebe | 21h 16m 27s | -09° 19’ 32” | 10.30 | Aquarius | map my_location | ||
2 Pallas | 20h 52m 24s | +11° 36’ 19” | 10.44 | Delphinus | map my_location | ||
8 Flora | 11h 16m 54s | +13° 33’ 59” | 10.46 | Leo | map my_location | ||
15 Eunomia | 06h 27m 45s | +22° 28’ 09” | 10.54 | Gemini | map my_location | ||
29 Amphitrite | 09h 26m 49s | +17° 12’ 54” | 10.63 | 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 | |
---|---|---|---|---|---|---|---|---|
Eta Aquariids | 6 May | 22h 30m | -01° | 50 | bright | 1P/Halley | map | |
Lyrids | 22 Apr | 18h 06m | +34° | 18 | bright | C/1861 G1 (Thatcher) | map | |
Pi Puppids | 23 Apr | 07h 17m | -45° | variable | bright | 26P/Grigg-Skjellerup | map | |