OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

47.98°N, 13.26°EEurope/Vienna

Deep Astronomical Night-28.0° (< −18°)

20:50:34

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

Sunset18:03

Civil Dusk18:35

Nautical19:11

Full Dark19:47

Nadir00:51

Dark Ends05:55

Nautical06:31

Civil Dawn07:07

Sunrise07:39

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE36.6°

DISTANCE379,785 km

Moonrise16:40

Moonset05:26

HorizonAbove

LUNAR INTERFERENCE INDEX55% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

73/100

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 Europe/Vienna

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-33.9°	281°	Libra	08:00	12:45	17:23	Naked Eye
Jupiter♃	Below Horizon	-2.0	-27.1°	3°	Leo	01:30	08:39	15:51	Naked Eye
Saturn♄	Optimal Visibility	0.3	31.1°	129°	Pisces	17:29	23:38	05:46	Naked Eye
Mars♂	Below Horizon	1.0	-22.9°	11°	Cancer	00:39	08:06	15:35	Naked Eye
Mercury☿	Below Horizon	0.4	-21.8°	263°	Libra	09:47	14:09	18:32	Binoculars
Uranus♅	Visible Low	5.6	12.3°	72°	Taurus	19:25	03:09	10:56	Binoculars
Neptune♆	Optimal Visibility	7.8	33.1°	137°	Pisces	17:07	23:08	05:08	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

RISES16:40

BEST TIME22:55S · 44° high

SETS05:26

Reaches about 44° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.

JupiterNaked Eye · High in the sky

RISES01:30

BEST TIME08:39S · 56° high

SETS15:51

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

RISES17:29

BEST TIME23:38S · 43° high

SETS05:46

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

RISES08:00

BEST TIME12:45S · 24° high

SETS17:23

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

RISES00:39

BEST TIME08:06S · 60° high

SETS15:35

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.