OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

31.48°N, 50.87°EAsia/Tehran

Deep Astronomical Night-35.3° (< −18°)

20:10:30

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 7m of true darkness · 12h 50m total night

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

TRUE DARK SKY WINDOW

Sunset17:26

Civil Dusk17:50

Nautical18:19

Full Dark18:47

Nadir23:51

Dark Ends04:54

Nautical05:22

Civil Dawn05:51

Sunrise06:15

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE51.8°

DISTANCE380,272 km

Moonrise15:38

Moonset04:10

HorizonAbove

LUNAR INTERFERENCE INDEX73% · 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

All times calibrated to Asia/Tehran

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-39.8°	272°	Libra	06:24	11:46	17:01	Naked Eye
Jupiter♃	Below Horizon	-2.0	-43.2°	10°	Leo	01:01	07:39	14:21	Naked Eye
Saturn♄	Optimal Visibility	0.3	44.0°	123°	Pisces	16:32	22:38	04:43	Naked Eye
Mars♂	Below Horizon	1.0	-37.9°	19°	Cancer	00:18	07:06	13:56	Naked Eye
Mercury☿	Below Horizon	0.4	-23.0°	259°	Libra	07:58	13:09	18:17	Binoculars
Uranus♅	Visible Low	5.6	10.9°	72°	Taurus	19:13	02:09	09:09	Binoculars
Neptune♆	Optimal Visibility	7.8	47.6°	133°	Pisces	16:07	22:08	04:08	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

RISES15:38

BEST TIME21:50S · 60° high

SETS04:10

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

JupiterNaked Eye · High in the sky

RISES01:01

BEST TIME07:39S · 73° high

SETS14:21

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

RISES16:32

BEST TIME22:38S · 60° high

SETS04:43

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

RISES06:24

BEST TIME11:46S · 40° high

SETS17:01

Reaches about 40° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:18

BEST TIME07:06S · 76° high

SETS13:56

Reaches about 76° 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.