OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.72°N, 39.60°EEurope/Istanbul
Deep Astronomical Night-42.4° (< −18°)
21:15:53
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
Sunset17:29
Civil Dusk17:57
Nautical18:29
Full Dark19:01
Nadir00:06
Dark Ends05:10
Nautical05:42
Civil Dawn06:14
Sunrise06:42
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 Capella Altair Aldebaran Deneb Saturn (0.3) Uranus (5.6) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE49.1°
DISTANCE379,915 km
Moonrise15:54
Moonset04:31
HorizonAbove
LUNAR INTERFERENCE INDEX70% · Heavy Lunar Wash

Bright moonlight washes out deep sky targets. Focus on lunar craters and bright planets.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
67/100
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 -4.3-48.1°291°Libra06:5712:0116:57Naked Eye
Jupiter♃ Below Horizon -2.0-31.4°23°Leo01:0107:5414:51Naked Eye
Saturn♄ Optimal Visibility 0.345.0°144°Pisces16:4622:5304:59Naked Eye
Mars♂ Below Horizon 1.0-25.2°30°Cancer00:1407:2114:30Naked Eye
Mercury☿ Below Horizon 0.4-34.1°271°Libra08:3513:2418:10Binoculars
Uranus♅ Visible Low 5.622.9°81°Taurus19:0402:2409:47Binoculars
Neptune♆ Optimal Visibility 7.846.1°155°Pisces16:2222:2304:23Telescope
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
RISES15:54
BEST TIME22:06S · 51° high
SETS04:31
Reaches about 51° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.
JupiterNaked Eye · High in the sky
RISES01:01
BEST TIME07:54S · 64° high
SETS14:51
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
RISES16:46
BEST TIME22:53S · 51° high
SETS04:59
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
RISES06:57
BEST TIME12:01S · 31° high
SETS16:57
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
RISES00:14
BEST TIME07:21S · 67° high
SETS14:30
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.