OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.75°N, 23.39°EEurope/Athens
Deep Astronomical Night-21.7° (< −18°)
20:28:32
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 13m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:34
Civil Dusk19:02
Nautical19:34
Full Dark20:06
Nadir01:11
Dark Ends06:15
Nautical06:47
Civil Dawn07:19
Sunrise07:47
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%
ALTITUDE36.2°
DISTANCE380,092 km
Moonrise16:59
Moonset05:39
HorizonAbove
LUNAR INTERFERENCE INDEX55% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
73/100
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 -4.3-27.1°269°Libra08:0113:0518:02Naked Eye
Jupiter♃ Below Horizon -2.0-33.9°350°Leo02:0609:0215:56Naked Eye
Saturn♄ Visible Low 0.328.6°116°Pisces17:5023:5706:04Naked Eye
Mars♂ Below Horizon 1.0-30.9°0°Cancer01:1808:2515:35Naked Eye
Mercury☿ Below Horizon 0.4-12.9°254°Libra09:4314:2919:15Binoculars
Uranus♅ Rising / Setting 5.62.9°64°Taurus20:0903:2810:52Binoculars
Neptune♆ Optimal Visibility 7.832.1°123°Pisces17:2723:2705:28Telescope
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
RISES16:59
BEST TIME23:13S · 51° high
SETS05:39
Reaches about 51° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES02:06
BEST TIME09:02S · 64° high
SETS15:56
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
RISES17:50
BEST TIME23:57S · 51° high
SETS06:04
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
RISES08:01
BEST TIME13:05S · 31° high
SETS18:02
Reaches about 31° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:18
BEST TIME08:25S · 67° high
SETS15:35
Reaches about 67° 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.