OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

35.89°N, 115.10°EAsia/Shanghai

Deep Astronomical Night-65.3° (< −18°)

00:17:59

Sat, Oct 24, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 13h 0m total night

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

TRUE DARK SKY WINDOW

Sunset17:34

Civil Dusk18:00

Nautical18:30

Full Dark18:59

Nadir00:04

Dark Ends05:08

Nautical05:37

Civil Dawn06:07

Sunrise06:33

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE42.4°

DISTANCE380,356 km

Moonrise15:47

Moonset04:13

HorizonAbove

LUNAR INTERFERENCE INDEX62% · Heavy Lunar Wash

Bright moonlight washes out deep sky targets. Focus on lunar craters and bright planets.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

70/100

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	-71.4°	16°	Libra	06:46	11:54	17:07	Naked Eye
Jupiter♃	Below Horizon	-2.0	-9.5°	64°	Leo	01:08	07:53	14:41	Naked Eye
Saturn♄	Optimal Visibility	0.3	50.1°	215°	Pisces	16:46	22:51	04:57	Naked Eye
Mars♂	Below Horizon	1.0	-0.9°	67°	Cancer	00:23	07:19	14:18	Naked Eye
Mercury☿	Below Horizon	0.4	-69.4°	313°	Libra	08:21	13:23	18:21	Binoculars
Uranus♅	Optimal Visibility	5.6	58.9°	110°	Taurus	19:16	02:23	09:29	Binoculars
Neptune♆	Optimal Visibility	7.8	44.8°	223°	Pisces	16:21	22:22	04:22	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

RISES15:47

BEST TIME21:55S · 54° high

SETS04:13

Reaches about 54° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES01:08

BEST TIME07:53S · 69° high

SETS14:41

Reaches about 69° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:46

BEST TIME22:51S · 56° high

SETS04:57

Reaches about 56° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:46

BEST TIME11:54S · 36° high

SETS17:07

Reaches about 36° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:23

BEST TIME07:19S · 72° high

SETS14:18

Reaches about 72° 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.