OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

36.01°N, 51.49°EAsia/Tehran

Deep Astronomical Night-42.1° (< −18°)

20:46:51

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

Sunset17:18

Civil Dusk17:44

Nautical18:14

Full Dark18:44

Nadir23:48

Dark Ends04:52

Nautical05:22

Civil Dawn05:52

Sunrise06:18

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE52.6°

DISTANCE380,136 km

Moonrise15:35

Moonset04:09

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	-47.3°	283°	Libra	06:30	11:43	16:50	Naked Eye
Jupiter♃	Below Horizon	-2.0	-36.7°	21°	Leo	00:52	07:37	14:25	Naked Eye
Saturn♄	Optimal Visibility	0.3	47.2°	138°	Pisces	16:29	22:35	04:41	Naked Eye
Mars♂	Below Horizon	1.0	-30.5°	29°	Cancer	00:06	07:03	14:02	Naked Eye
Mercury☿	Below Horizon	0.4	-31.7°	266°	Libra	08:05	13:07	18:05	Binoculars
Uranus♅	Visible Low	5.6	19.9°	78°	Taurus	19:00	02:06	09:17	Binoculars
Neptune♆	Optimal Visibility	7.8	49.2°	149°	Pisces	16:05	22:05	04:06	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

RISES15:35

BEST TIME21:47S · 56° high

SETS04:09

Reaches about 56° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES00:52

BEST TIME07:37S · 68° high

SETS14:25

Reaches about 68° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:29

BEST TIME22:35S · 55° high

SETS04:41

Reaches about 55° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:30

BEST TIME11:43S · 36° high

SETS16:50

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

RISES00:06

BEST TIME07:03S · 72° high

SETS14:02

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

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.