OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

35.84°N, 50.84°EAsia/Tehran
Deep Astronomical Night-43.3° (< −18°)
20:55:32
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 0m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:21
Civil Dusk17:47
Nautical18:17
Full Dark18:46
Nadir23:51
Dark Ends04:55
Nautical05:25
Civil Dawn05:55
Sunrise06:21
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%
ALTITUDE53.2°
DISTANCE380,103 km
Moonrise15:38
Moonset04:12
HorizonAbove
LUNAR INTERFERENCE INDEX74% · Heavy Lunar Wash

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
66/100
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 -4.3-48.5°284°Libra06:3211:4616:53Naked Eye
Jupiter♃ Below Horizon -2.0-36.4°23°Leo00:5507:3914:27Naked Eye
Saturn♄ Optimal Visibility 0.348.1°139°Pisces16:3222:3804:43Naked Eye
Mars♂ Below Horizon 1.0-30.0°30°Cancer00:0907:0614:04Naked Eye
Mercury☿ Below Horizon 0.4-32.9°267°Libra08:0713:0918:08Binoculars
Uranus♅ Visible Low 5.621.0°79°Taurus19:0302:0909:19Binoculars
Neptune♆ Optimal Visibility 7.850.0°151°Pisces16:0722:0804:09Telescope
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
RISES15:38
BEST TIME21:50S · 56° high
SETS04:12
Reaches about 56° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.
JupiterNaked Eye · High in the sky
RISES00:55
BEST TIME07:39S · 69° high
SETS14:27
Reaches about 69° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:32
BEST TIME22:38S · 56° high
SETS04:43
Reaches about 56° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES06:32
BEST TIME11:46S · 36° high
SETS16:53
Reaches about 36° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:09
BEST TIME07:06S · 72° high
SETS14:04
Reaches about 72° 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.