OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

25.08°N, 117.01°EAsia/Shanghai

Deep Astronomical Night-57.7° (< −18°)

01:59:32

Sat, Oct 24, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 3m of true darkness · 12h 36m total night

DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)

TRUE DARK SKY WINDOW

Sunset17:38

Civil Dusk18:01

Nautical18:28

Full Dark18:54

Nadir23:56

Dark Ends04:57

Nautical05:24

Civil Dawn05:51

Sunrise06:14

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE26.1°

DISTANCE379,976 km

Moonrise15:38

Moonset04:03

HorizonAbove

LUNAR INTERFERENCE INDEX41% · Moderate Lunar Glow

Milky Way contrast is softened. Bright open clusters and double stars are optimal.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

77/100

Good Stargazing

Fine observing conditions. Open star clusters and nebulae will exhibit crisp structure.

CLOUD COVER15%

HUMIDITY50%

VISIBILITY18 km

DEW POINT10.8°C

PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

All times calibrated to Asia/Shanghai

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-58.7°	83°	Libra	06:20	11:46	17:18	Naked Eye
Jupiter♃	Rising / Setting	-2.0	9.0°	78°	Leo	01:16	07:45	14:18	Naked Eye
Saturn♄	Optimal Visibility	0.3	37.2°	251°	Pisces	16:40	22:44	04:48	Naked Eye
Mars♂	Visible Low	1.0	17.9°	78°	Cancer	00:35	07:11	13:48	Naked Eye
Mercury☿	Below Horizon	0.4	-78.6°	71°	Libra	07:51	13:12	18:36	Binoculars
Uranus♅	Optimal Visibility	5.6	84.5°	137°	Taurus	19:32	02:15	08:58	Binoculars
Neptune♆	Visible Low	7.8	29.9°	254°	Pisces	16:13	22:14	04:15	Telescope

TONIGHT'S VIEWING SCHEDULE

When & Where to Look Tonight

A simple guide to when each object is above your horizon. No astronomy chart reading required.

BEST TIMEHighest in your sky

The MoonNaked Eye · High in the sky

RISES15:38

BEST TIME21:47S · 65° high

SETS04:03

Reaches about 65° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.

JupiterNaked Eye · High in the sky

RISES01:16

BEST TIME07:45S · 79° high

SETS14:18

Reaches about 79° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:40

BEST TIME22:44S · 66° high

SETS04:48

Reaches about 66° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:20

BEST TIME11:46S · 47° high

SETS17:18

Reaches about 47° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:35

BEST TIME07:11S · 83° high

SETS13:48

Reaches about 83° above the horizon at its highest point.Distinctive crimson hue; polar ice cap discernible near opposition.

OBSERVING LOG & TARGET LIST

Tonight's Prime Deep-Sky Targets

0 / 6 targets logged tonight

M31 / NGC 224 · Andromeda

Andromeda Galaxy

Spiral Galaxy (2.5M ly)

Our galactic neighbor; visible as a ghostly oval smudge with dense radiant stellar core.

M45 · Taurus

The Pleiades (Seven Sisters)

Open Star Cluster

Breathtaking blue diamond cluster enshrouded in delicate interstellar reflection nebulosity.

M42 / NGC 1976 · Orion

Great Orion Nebula

Diffuse Emission Nebula

Star nursery harboring the brilliant Trapezium cluster with sprawling bat-wing filaments.

NGC 869 & NGC 884 · Perseus

The Double Cluster

Twin Open Clusters

Pair of spectacular shimmering jewel-boxes bursting with ruby supergiant stars.

M13 / NGC 6205 · Hercules

Great Globular Cluster in Hercules

Globular Cluster (300k stars)

Massive beehive of ancient stars packed tightly together into a blazing central ball.

M57 / NGC 6720 · Lyra

The Ring Nebula

Planetary Nebula

Delicate glowing smoke-ring left behind by a dying star 2,500 light-years away.