OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.78°N, 55.08°EAsia/Tehran

Deep Astronomical Night-41.9° (< −18°)

20:28:01

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 12h 55m total night

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

TRUE DARK SKY WINDOW

Sunset17:06

Civil Dusk17:32

Nautical18:01

Full Dark18:30

Nadir23:34

Dark Ends04:38

Nautical05:07

Civil Dawn05:36

Sunrise06:01

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE54.2°

DISTANCE380,206 km

Moonrise15:21

Moonset03:53

HorizonAbove

LUNAR INTERFERENCE INDEX75% · 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	-46.8°	280°	Libra	06:11	11:29	16:40	Naked Eye
Jupiter♃	Below Horizon	-2.0	-39.1°	20°	Leo	00:41	07:22	14:07	Naked Eye
Saturn♄	Optimal Visibility	0.3	48.2°	135°	Pisces	16:15	22:21	04:26	Naked Eye
Mars♂	Below Horizon	1.0	-32.9°	28°	Cancer	23:57	06:49	13:43	Naked Eye
Mercury☿	Below Horizon	0.4	-30.6°	264°	Libra	07:46	12:52	17:55	Binoculars
Uranus♅	Visible Low	5.6	18.5°	77°	Taurus	18:51	01:52	08:57	Binoculars
Neptune♆	Optimal Visibility	7.8	50.6°	146°	Pisces	15:50	21:51	03:52	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

RISES15:21

BEST TIME21:33S · 58° high

SETS03:53

Reaches about 58° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES00:41

BEST TIME07:22S · 71° high

SETS14:07

Reaches about 71° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:15

BEST TIME22:21S · 58° high

SETS04:26

Reaches about 58° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:11

BEST TIME11:29S · 38° high

SETS16:40

Reaches about 38° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES23:57

BEST TIME06:49S · 74° high

SETS13:43

Reaches about 74° 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.