OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

47.90°N, 13.96°EEurope/Vienna
Civil Twilight-4.2° (0° to −6°)
18:25:43
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
Sunset18:01
Civil Dusk18:32
Nautical19:09
Full Dark19:44
Nadir00:48
Dark Ends05:52
Nautical06:28
Civil Dawn07:04
Sunrise07:36
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%
ALTITUDE17.0°
DISTANCE380,327 km
Moonrise16:37
Moonset05:23
HorizonAbove
LUNAR INTERFERENCE INDEX27% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
47/100
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 -4.3-10.1°255°Libra08:0512:4317:21Naked Eye
Jupiter♃ Below Horizon -2.0-20.5°325°Leo01:2808:4015:48Naked Eye
Saturn♄ Rising / Setting 0.39.4°98°Pisces17:2623:3505:43Naked Eye
Mars♂ Below Horizon 1.0-20.1°335°Cancer00:3608:0515:32Naked Eye
Mercury☿ Rising / Setting 0.40.5°238°Libra09:4314:0718:30Binoculars
Uranus♅ Below Horizon 5.6-7.5°46°Taurus19:2303:0610:53Binoculars
Neptune♆ Visible Low 7.812.9°105°Pisces17:0423:0505:06Telescope
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
RISES16:37
BEST TIME22:52S · 44° high
SETS05:23
Reaches about 44° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES01:28
BEST TIME08:40S · 57° high
SETS15:48
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
RISES17:26
BEST TIME23:35S · 44° high
SETS05:43
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
RISES08:05
BEST TIME12:43S · 24° high
SETS17:21
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
RISES00:36
BEST TIME08:05S · 60° high
SETS15:32
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.