OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

31.27°N, 56.81°EAsia/Tehran

Deep Astronomical Night-40.1° (< −18°)

20:09:36

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 7m of true darkness · 12h 49m total night

DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)

TRUE DARK SKY WINDOW

Sunset17:02

Civil Dusk17:27

Nautical17:55

Full Dark18:23

Nadir23:27

Dark Ends04:30

Nautical04:58

Civil Dawn05:27

Sunrise05:51

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE55.1°

DISTANCE380,275 km

Moonrise15:14

Moonset03:45

HorizonAbove

LUNAR INTERFERENCE INDEX76% · Heavy Lunar Wash

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

65/100

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

All times calibrated to Asia/Tehran

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-44.7°	276°	Libra	06:00	11:22	16:38	Naked Eye
Jupiter♃	Below Horizon	-2.0	-42.3°	17°	Leo	00:38	07:15	13:57	Naked Eye
Saturn♄	Optimal Visibility	0.3	48.0°	129°	Pisces	16:09	22:14	04:19	Naked Eye
Mars♂	Below Horizon	1.0	-36.3°	26°	Cancer	23:54	06:42	13:31	Naked Eye
Mercury☿	Below Horizon	0.4	-27.8°	261°	Libra	07:33	12:46	17:54	Binoculars
Uranus♅	Visible Low	5.6	15.5°	75°	Taurus	18:49	01:45	08:45	Binoculars
Neptune♆	Optimal Visibility	7.8	51.1°	140°	Pisces	15:43	21:44	03:45	Telescope

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

RISES15:14

BEST TIME21:25S · 60° high

SETS03:45

Reaches about 60° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES00:38

BEST TIME07:15S · 73° high

SETS13:57

Reaches about 73° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:09

BEST TIME22:14S · 60° high

SETS04:19

Reaches about 60° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:00

BEST TIME11:22S · 41° high

SETS16:38

Reaches about 41° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES23:54

BEST TIME06:42S · 77° high

SETS13:31

Reaches about 77° 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

0 / 6 targets logged tonight

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.