OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

47.92°N, 16.52°EEurope/Vienna

Civil Twilight-3.4° (0° to −6°)

18:10:28

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 13h 35m total night

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

TRUE DARK SKY WINDOW

Sunset17:51

Civil Dusk18:22

Nautical18:58

Full Dark19:34

Nadir00:38

Dark Ends05:42

Nautical06:18

Civil Dawn06:54

Sunrise07:26

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE16.2°

DISTANCE380,385 km

Moonrise16:26

Moonset05:12

HorizonAbove

LUNAR INTERFERENCE INDEX26% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

48/100

Fair Stargazing

Partial haze or lunar wash. Bright clusters, double stars, and prominent planets remain well visible.

CLOUD COVER15%

HUMIDITY50%

VISIBILITY18 km

DEW POINT10.8°C

PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

All times calibrated to Europe/Vienna

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-9.3°	254°	Libra	07:55	12:32	17:11	Naked Eye
Jupiter♃	Below Horizon	-2.0	-20.0°	324°	Leo	01:18	08:30	15:38	Naked Eye
Saturn♄	Rising / Setting	0.3	8.6°	97°	Pisces	17:16	23:25	05:33	Naked Eye
Mars♂	Below Horizon	1.0	-19.7°	334°	Cancer	00:26	07:55	15:22	Naked Eye
Mercury☿	Rising / Setting	0.4	1.2°	237°	Libra	09:33	13:56	18:19	Binoculars
Uranus♅	Below Horizon	5.6	-8.1°	45°	Taurus	19:13	02:56	10:43	Binoculars
Neptune♆	Visible Low	7.8	12.1°	104°	Pisces	16:54	22:55	04:55	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

RISES16:26

BEST TIME22:42S · 44° high

SETS05:12

Reaches about 44° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Moderate Lunar Glow.

JupiterNaked Eye · High in the sky

RISES01:18

BEST TIME08:30S · 57° high

SETS15:38

Reaches about 57° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · Good height

RISES17:16

BEST TIME23:25S · 44° high

SETS05:33

Reaches about 44° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES07:55

BEST TIME12:32S · 24° high

SETS17:11

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

RISES00:26

BEST TIME07:55S · 60° high

SETS15:22

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.