OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

47.48°N, 14.27°EEurope/Vienna
Civil Twilight-1.3° (0° to −6°)
18:07:17
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
Sunset18:00
Civil Dusk18:32
Nautical19:08
Full Dark19:43
Nadir00:47
Dark Ends05:51
Nautical06:27
Civil Dawn07:02
Sunrise07:34
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%
ALTITUDE14.4°
DISTANCE380,397 km
Moonrise16:36
Moonset05:22
HorizonAbove
LUNAR INTERFERENCE INDEX23% · 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 -4.3-7.2°252°Libra08:0312:4117:21Naked Eye
Jupiter♃ Below Horizon -2.0-19.1°321°Leo01:2808:3915:46Naked Eye
Saturn♄ Rising / Setting 0.36.6°95°Pisces17:2523:3405:42Naked Eye
Mars♂ Below Horizon 1.0-19.1°331°Cancer00:3608:0415:30Naked Eye
Mercury☿ Rising / Setting 0.42.9°234°Libra09:4114:0518:30Binoculars
Uranus♅ Below Horizon 5.6-9.9°42°Taurus19:2303:0510:50Binoculars
Neptune♆ Visible Low 7.810.2°102°Pisces17:0323:0405:04Telescope
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
RISES16:36
BEST TIME22:51S · 45° high
SETS05:22
Reaches about 45° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:28
BEST TIME08:39S · 57° high
SETS15:46
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
RISES17:25
BEST TIME23:34S · 44° high
SETS05:42
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
RISES08:03
BEST TIME12:41S · 25° high
SETS17:21
Reaches about 25° 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 TIME08:04S · 61° high
SETS15:30
Reaches about 61° 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.