CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS

Astronomy · Guyuan

A live observatory for the Sun, Moon, daylight, twilight and the sky above Guyuan.

Location

Observation Date

Local Time

LIVE CELESTIAL STATE

The Sun is above the horizon

Guyuan · 12:01 solar noon · 10h 44m of daylight

LOCAL OBSERVATION12:002026-10-24 · Asia/Shanghai

SUN

36.6°S · azimuth 179.5°

MOON

Waxing Gibbous96.5% illuminated · -39.1° altitude

LIGHT

10h 44mdaylight · 13h 16m night

RISE 06:39SET 17:23

TWILIGHT

17:51civil dusk · astronomical dusk 18:56

DAWN 06:10DUSK 17:51

CELESTIAL HORIZONAltitude · current observation

Sun

Moon

0° horizon45°90° zenith

PLANETARY EPHEMERIS

Solar System · Guyuan

Topocentric positions for the selected observation time. Coordinates update with the Time Machine.

5 visible above horizon

BODY	ALT	AZ	RA	DEC	DISTANCE	MAG	RISE / SET
MercuryBELOW HORIZON	-69.1°	359°	15.18h	-20.9°	0.796 AU	0.4	08:30 / 18:00
VenusBELOW HORIZON	-60.3°	43°	13.76h	-18.0°	0.273 AU	-4.3	06:49 / 16:47
MarsVISIBLE	11.8°	76°	9.15h	17.9°	1.499 AU	1.0	00:06 / 14:26
JupiterVISIBLE	3.5°	74°	9.72h	14.4°	5.623 AU	-2.0	00:52 / 14:45
SaturnVISIBLE	37.8°	230°	0.67h	1.4°	8.490 AU	0.3	16:38 / 04:52
UranusVISIBLE	65.3°	142°	4.20h	21.0°	18.611 AU	5.6	18:54 / 09:38
NeptuneVISIBLE	31.9°	236°	0.18h	-0.4°	28.995 AU	7.8	16:15 / 04:16

SOLAR SYSTEM

Planetary Orbits · 2026-10-24 12:00

Heliocentric orbital geometry for the selected instant. Distances use a logarithmic visual scale so the inner planets remain readable.

SUN

🜨 Earth

0.995 AUheliocentric distance

ORBIT: 1.000 AU
ECCENTRICITY: 0.0167
INCLINATION: -0.00°
TRUE ANOMALY: 287.4°
FROM EARTH: 0.995 AU
ALT / AZ: 51.1° / 132°

EARTH · MOON · SUN

Three-Body Relationship · 2026-10-24 12:00

Geocentric directions and lunar phase at the selected instant. The geometry is intentionally schematic, not to scale.

ELONGATION153.6°

EARTH

SUN

MOON

MOON PHASEWaxing Gibbous

ILLUMINATION96.5%

MOON DISTANCE378,376.152 km

SUN DISTANCE0.99476 AU

PHASE ANGLE21.6°

CELESTIAL ATLAS

Constellation Map · Equatorial Coordinates

Real right ascension and declination for selected reference stars. This map is a chart, so the denser astronomical treatment stays here rather than in Living Sky.

Betelgeuse

Bellatrix

Alnilam

Alnitak

Mintaka

Rigel

RIGHT ASCENSION →

DECLINATION ↑

Orion6 reference stars

Coordinates are plotted in an equatorial frame, independent of local horizon orientation.

Betelgeuse: 5.92h · 7.4° · mag 0.5
Bellatrix: 5.42h · 6.3° · mag 1.6
Alnilam: 5.60h · -1.2° · mag 1.7
Alnitak: 5.68h · -1.9° · mag 1.7
Mintaka: 5.53h · -0.3° · mag 2.2
Rigel: 5.24h · -8.2° · mag 0.1

DEEP SKY ATLAS

Celestial Objects · Guyuan

Bright Messier objects plotted from their equatorial coordinates and evaluated for the selected time and location.

Andromeda Galaxy

ZENITH

HORIZON

EAST

WEST

M31 · NGC 224Andromeda GalaxyGalaxy · apparent magnitude 3.44

RA: 0.71h
DEC: 41.27°
ALTITUDE: 76.4°
AZIMUTH: 274.4°
HOUR ANGLE: 18.2°
ANGULAR SIZE: 178′ × 63′

ABOVE HORIZON