OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

47.63°N, 12.22°EEurope/Vienna
Civil Twilight-0.0° (0° to −6°)
18:07:21
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 13h 34m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:08
Civil Dusk18:40
Nautical19:16
Full Dark19:51
Nadir00:55
Dark Ends05:59
Nautical06:35
Civil Dawn07:11
Sunrise07:42
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Vega Arcturus Capella Altair Antares Deneb Saturn (0.3) Mercury (0.4) Neptune (7.8) Moon (92%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE13.0°
DISTANCE380,396 km
Moonrise16:44
Moonset05:30
HorizonAbove
LUNAR INTERFERENCE INDEX21% · Minimal Lunar Glare

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
49/100
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

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Below Horizon -4.3-5.9°250°Libra08:1112:5017:29Naked Eye
Jupiter♃ Below Horizon -2.0-18.1°319°Leo01:3508:4715:55Naked Eye
Saturn♄ Rising / Setting 0.35.3°94°Pisces17:3323:4205:50Naked Eye
Mars♂ Below Horizon 1.0-18.3°329°Cancer00:4408:1215:38Naked Eye
Mercury☿ Rising / Setting 0.43.9°233°Libra09:4914:1318:38Binoculars
Uranus♅ Below Horizon 5.6-10.7°41°Taurus19:3103:1310:59Binoculars
Neptune♆ Rising / Setting 7.88.9°100°Pisces17:1123:1205:13Telescope
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
RISES16:44
BEST TIME22:59S · 44° high
SETS05:30
Reaches about 44° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:35
BEST TIME08:47S · 57° high
SETS15:55
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
RISES17:33
BEST TIME23:42S · 44° high
SETS05:50
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
RISES08:11
BEST TIME12:50S · 24° high
SETS17:29
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
RISES00:44
BEST TIME08:12S · 60° high
SETS15:38
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

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.