OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

48.47°N, 15.23°EEurope/Vienna

Astronomical Twilight-16.6° (−12° to −18°)

19:34:53

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 13h 37m total night

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

TRUE DARK SKY WINDOW

Sunset17:55

Civil Dusk18:27

Nautical19:03

Full Dark19:39

Nadir00:43

Dark Ends05:47

Nautical06:23

Civil Dawn07:00

Sunrise07:32

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE27.8°

DISTANCE380,068 km

Moonrise16:31

Moonset05:18

HorizonAbove

LUNAR INTERFERENCE INDEX43% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

67/100

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	-22.5°	268°	Libra	08:02	12:38	17:14	Naked Eye
Jupiter♃	Below Horizon	-2.0	-25.3°	344°	Leo	01:21	08:35	15:45	Naked Eye
Saturn♄	Visible Low	0.3	21.1°	113°	Pisces	17:21	23:30	05:38	Naked Eye
Mars♂	Below Horizon	1.0	-22.9°	354°	Cancer	00:29	08:00	15:29	Naked Eye
Mercury☿	Below Horizon	0.4	-10.8°	251°	Libra	09:40	14:01	18:22	Binoculars
Uranus♅	Rising / Setting	5.6	2.4°	60°	Taurus	19:16	03:01	10:50	Binoculars
Neptune♆	Visible Low	7.8	24.1°	121°	Pisces	16:59	23:00	05:01	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

RISES16:31

BEST TIME22:47S · 44° high

SETS05:18

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

JupiterNaked Eye · High in the sky

RISES01:21

BEST TIME08:35S · 56° high

SETS15:45

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

RISES17:21

BEST TIME23:30S · 43° high

SETS05:38

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

RISES08:02

BEST TIME12:38S · 24° high

SETS17:14

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

RISES00:29

BEST TIME08:00S · 60° high

SETS15:29

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.