OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

48.73°N, 15.01°EEurope/Vienna
Civil Twilight-3.9° (0° to −6°)
18:18:34
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 7m of true darkness · 13h 38m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:55
Civil Dusk18:27
Nautical19:04
Full Dark19:40
Nadir00:44
Dark Ends05:48
Nautical06:24
Civil Dawn07:01
Sunrise07:33
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%
ALTITUDE16.3°
DISTANCE380,354 km
Moonrise16:32
Moonset05:19
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

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Below Horizon -4.3-9.8°254°Libra08:0412:3817:14Naked Eye
Jupiter♃ Below Horizon -2.0-19.5°325°Leo01:2208:3615:46Naked Eye
Saturn♄ Rising / Setting 0.38.8°98°Pisces17:2223:3105:39Naked Eye
Mars♂ Below Horizon 1.0-19.1°334°Cancer00:2908:0115:31Naked Eye
Mercury☿ Rising / Setting 0.40.5°237°Libra09:4214:0218:22Binoculars
Uranus♅ Below Horizon 5.6-7.3°45°Taurus19:1503:0210:52Binoculars
Neptune♆ Visible Low 7.812.2°105°Pisces17:0023:0105:01Telescope
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
RISES16:32
BEST TIME22:48S · 43° high
SETS05:19
Reaches about 43° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES01:22
BEST TIME08:36S · 56° high
SETS15:46
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
RISES17:22
BEST TIME23:31S · 43° high
SETS05:39
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
RISES08:04
BEST TIME12:38S · 23° high
SETS17:14
Reaches about 23° 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 TIME08:01S · 59° high
SETS15:31
Reaches about 59° 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.