OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.87°N, 39.93°EEurope/Istanbul
Deep Astronomical Night-25.0° (< −18°)
19:39:45
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
Sunset17:28
Civil Dusk17:56
Nautical18:28
Full Dark19:00
Nadir00:04
Dark Ends05:09
Nautical05:41
Civil Dawn06:13
Sunrise06:41
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 (92%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE38.7°
DISTANCE380,275 km
Moonrise15:52
Moonset04:30
HorizonAbove
LUNAR INTERFERENCE INDEX58% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
71/100
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 -4.3-30.4°272°Libra06:5611:5916:56Naked Eye
Jupiter♃ Below Horizon -2.0-34.2°356°Leo00:5907:5614:50Naked Eye
Saturn♄ Optimal Visibility 0.331.4°119°Pisces16:4422:5104:58Naked Eye
Mars♂ Below Horizon 1.0-30.6°5°Cancer00:1207:1914:29Naked Eye
Mercury☿ Below Horizon 0.4-16.1°256°Libra08:3813:2318:08Binoculars
Uranus♅ Rising / Setting 5.65.8°67°Taurus19:0302:2209:46Binoculars
Neptune♆ Optimal Visibility 7.834.7°128°Pisces16:2122:2104:22Telescope
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
RISES15:52
BEST TIME22:05S · 51° high
SETS04:30
Reaches about 51° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES00:59
BEST TIME07:56S · 64° high
SETS14:50
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
RISES16:44
BEST TIME22:51S · 51° high
SETS04:58
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
RISES06:56
BEST TIME11:59S · 31° high
SETS16:56
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
RISES00:12
BEST TIME07:19S · 67° high
SETS14:29
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.