OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.17°N, 22.48°EEurope/Athens
Deep Astronomical Night-22.8° (< −18°)
20:37:36
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 11m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:39
Civil Dusk19:06
Nautical19:38
Full Dark20:09
Nadir01:14
Dark Ends06:19
Nautical06:50
Civil Dawn07:22
Sunrise07:50
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 Deneb Saturn (0.3) Uranus (5.6) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE37.3°
DISTANCE380,058 km
Moonrise17:03
Moonset05:43
HorizonAbove
LUNAR INTERFERENCE INDEX56% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
72/100
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

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Below Horizon -4.3-28.1°270°Libra08:0413:0918:07Naked Eye
Jupiter♃ Below Horizon -2.0-34.7°352°Leo02:1009:0615:58Naked Eye
Saturn♄ Visible Low 0.329.8°116°Pisces17:5400:0106:07Naked Eye
Mars♂ Below Horizon 1.0-31.5°2°Cancer01:2308:2915:37Naked Eye
Mercury☿ Below Horizon 0.4-13.8°255°Libra09:4514:3219:20Binoculars
Uranus♅ Rising / Setting 5.63.6°65°Taurus20:1403:3210:54Binoculars
Neptune♆ Optimal Visibility 7.833.3°124°Pisces17:3023:3105:32Telescope
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 · High in the sky
RISES17:03
BEST TIME23:17S · 52° high
SETS05:43
Reaches about 52° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES02:10
BEST TIME09:06S · 64° high
SETS15:58
Reaches about 64° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES17:54
BEST TIME00:01S · 51° high
SETS06:07
Reaches about 51° 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 TIME13:09S · 32° high
SETS18:07
Reaches about 32° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:23
BEST TIME08:29S · 68° high
SETS15:37
Reaches about 68° 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.