CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS

Astronomy · Gresham

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

Location

Observation Date

Local Time

LIVE CELESTIAL STATE

The Sun is above the horizon

Gresham · 12:53 solar noon · 10h 33m of daylight

LOCAL OBSERVATION12:002026-10-23 · America/Los_Angeles

SUN

31.6°SSE · azimuth 164.4°

MOON

Waxing Gibbous98.0% illuminated · -40.8° altitude

LIGHT

10h 33mdaylight · 13h 27m night

RISE 07:36SET 18:10

TWILIGHT

18:40civil dusk · astronomical dusk 19:49

DAWN 07:06DUSK 18:40

CELESTIAL HORIZONAltitude · current observation

Sun

Moon

0° horizon45°90° zenith

PLANETARY EPHEMERIS

Solar System · Gresham

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
MercuryVISIBLE	5.0°	127°	15.18h	-20.9°	0.796 AU	0.4	09:35 / 18:42
VenusVISIBLE	18.0°	142°	13.76h	-18.0°	0.273 AU	-4.3	07:53 / 17:32
MarsVISIBLE	52.0°	234°	9.15h	17.9°	1.499 AU	1.0	00:49 / 15:29
JupiterVISIBLE	53.3°	219°	9.72h	14.4°	5.623 AU	-2.0	01:38 / 15:47
SaturnBELOW HORIZON	-39.1°	332°	0.67h	1.4°	8.490 AU	0.3	17:31 / 05:47
UranusVISIBLE	4.6°	296°	4.20h	21.0°	18.611 AU	5.6	19:36 / 10:44
NeptuneBELOW HORIZON	-42.9°	341°	0.18h	-0.4°	28.995 AU	7.8	17:08 / 05:10

SOLAR SYSTEM

Planetary Orbits · 2026-10-23 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: 287.0°
FROM EARTH: 0.995 AU
ALT / AZ: 48.5° / 136°

EARTH · MOON · SUN

Three-Body Relationship · 2026-10-23 12:00

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

ELONGATION149.0°

EARTH

SUN

MOON

MOON PHASEWaxing Gibbous

ILLUMINATION98.0%

MOON DISTANCE380,361.207 km

SUN DISTANCE0.99487 AU

PHASE ANGLE16.3°

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 · Gresham

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: 84.7°
AZIMUTH: 218.5°
HOUR ANGLE: 4.4°
ANGULAR SIZE: 178′ × 63′

ABOVE HORIZON