OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

54.64°N, 99.89°EAsia/Irkutsk

Deep Astronomical Night-45.3° (< −18°)

01:58:29

Sat, Oct 24, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 1m of true darkness · 14h 2m total night

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

TRUE DARK SKY WINDOW

Sunset18:04

Civil Dusk18:41

Nautical19:23

Full Dark20:04

Nadir01:05

Dark Ends06:05

Nautical06:47

Civil Dawn07:29

Sunrise08:06

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE25.7°

DISTANCE379,980 km

Moonrise16:50

Moonset05:25

HorizonAbove

LUNAR INTERFERENCE INDEX40% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

78/100

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/Irkutsk

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-51.2°	24°	Libra	08:39	12:54	17:14	Naked Eye
Jupiter♃	Rising / Setting	-2.0	4.0°	70°	Leo	01:25	08:53	16:25	Naked Eye
Saturn♄	Optimal Visibility	0.3	30.9°	218°	Pisces	17:41	23:52	06:03	Naked Eye
Mars♂	Visible Low	1.0	11.4°	75°	Cancer	00:27	08:20	16:14	Naked Eye
Mercury☿	Below Horizon	0.4	-55.7°	350°	Libra	10:26	14:24	18:17	Binoculars
Uranus♅	Optimal Visibility	5.6	52.7°	146°	Taurus	19:09	03:23	11:38	Binoculars
Neptune♆	Visible Low	7.8	26.4°	225°	Pisces	17:22	23:22	05:23	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

RISES16:50

BEST TIME22:58S · 36° high

SETS05:25

Reaches about 36° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.

JupiterNaked Eye · High in the sky

RISES01:25

BEST TIME08:53S · 50° high

SETS16:25

Reaches about 50° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · Good height

RISES17:41

BEST TIME23:52S · 37° high

SETS06:03

Reaches about 37° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Low in the sky

RISES08:39

BEST TIME12:54S · 18° high

SETS17:14

Only reaches about 18° above the horizon. An open view is important.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:27

BEST TIME08:20S · 53° high

SETS16:14

Reaches about 53° 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.