OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

48.20°N, 108.48°EAsia/Ulaanbaatar

Deep Astronomical Night-52.9° (< −18°)

00:13:10

Sat, Oct 24, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 7m of true darkness · 13h 35m total night

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

TRUE DARK SKY WINDOW

Sunset17:43

Civil Dusk18:15

Nautical18:51

Full Dark19:27

Nadir00:30

Dark Ends05:34

Nautical06:10

Civil Dawn06:46

Sunrise07:18

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE37.2°

DISTANCE380,375 km

Moonrise16:14

Moonset04:45

HorizonAbove

LUNAR INTERFERENCE INDEX56% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

72/100

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/Ulaanbaatar

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-59.5°	355°	Libra	07:42	12:26	17:03	Naked Eye
Jupiter♃	Below Horizon	-2.0	-8.4°	56°	Leo	01:10	08:19	15:32	Naked Eye
Saturn♄	Optimal Visibility	0.3	41.8°	199°	Pisces	17:09	23:18	05:26	Naked Eye
Mars♂	Below Horizon	1.0	-0.6°	61°	Cancer	00:18	07:46	15:16	Naked Eye
Mercury☿	Below Horizon	0.4	-56.5°	317°	Libra	09:24	13:49	18:11	Binoculars
Uranus♅	Optimal Visibility	5.6	48.5°	117°	Taurus	19:05	02:49	10:33	Binoculars
Neptune♆	Optimal Visibility	7.8	38.1°	207°	Pisces	16:47	22:48	04:49	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 · Good height

RISES16:14

BEST TIME22:22S · 42° high

SETS04:45

Reaches about 42° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Moderate Lunar Glow.

JupiterNaked Eye · High in the sky

RISES01:10

BEST TIME08:19S · 56° high

SETS15:32

Reaches about 56° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · Good height

RISES17:09

BEST TIME23:18S · 43° high

SETS05:26

Reaches about 43° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES07:42

BEST TIME12:26S · 24° high

SETS17:03

Reaches about 24° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:18

BEST TIME07:46S · 60° high

SETS15:16

Reaches about 60° 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.