OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

47.72°N, 13.48°EEurope/Vienna

Daylight+2.3°

17:45:40

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 Dark19:46

Nadir00:50

Dark Ends05:54

Nautical06:30

Civil Dawn07:06

Sunrise07:38

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE10.3°

DISTANCE380,478 km

Moonrise16:39

Moonset05:25

HorizonAbove

LUNAR INTERFERENCE INDEX16% · Minimal Lunar Glare

Sky background remains dark; faint nebulae and distant galaxies are distinct.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

36/100

Challenging Stargazing

High cloud cover or severe light interference. Recommend bright planetary observation or indoor planning.

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	-3.3°	247°	Libra	08:07	12:45	17:23	Naked Eye
Jupiter♃	Below Horizon	-2.0	-16.1°	316°	Leo	01:30	08:42	15:50	Naked Eye
Saturn♄	Rising / Setting	0.3	2.6°	90°	Pisces	17:28	23:37	05:49	Naked Eye
Mars♂	Below Horizon	1.0	-16.7°	325°	Cancer	00:39	08:07	15:33	Naked Eye
Mercury☿	Rising / Setting	0.4	6.0°	230°	Libra	09:45	14:08	18:32	Binoculars
Uranus♅	Below Horizon	5.6	-12.4°	37°	Taurus	19:25	03:08	10:54	Binoculars
Neptune♆	Rising / Setting	7.8	6.1°	97°	Pisces	17:06	23:07	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

RISES16:39

BEST TIME22:54S · 44° high

SETS05:25

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

JupiterNaked Eye · High in the sky

RISES01:30

BEST TIME08:42S · 57° high

SETS15:50

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

RISES17:28

BEST TIME23:37S · 44° high

SETS05:49

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

RISES08:07

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 TIME08:07S · 60° high

SETS15:33

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.