OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

38.75°N, 47.74°EAsia/Tehran

Deep Astronomical Night-49.4° (< −18°)

21:49:21

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 7m total night

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

TRUE DARK SKY WINDOW

Sunset17:30

Civil Dusk17:57

Nautical18:28

Full Dark18:58

Nadir00:03

Dark Ends05:08

Nautical05:38

Civil Dawn06:10

Sunrise06:37

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE52.6°

DISTANCE379,902 km

Moonrise15:51

Moonset04:26

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

All times calibrated to Asia/Tehran

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-55.3°	298°	Libra	06:50	11:58	16:59	Naked Eye
Jupiter♃	Below Horizon	-2.0	-29.9°	33°	Leo	01:02	07:52	14:45	Naked Eye
Saturn♄	Optimal Visibility	0.3	50.1°	156°	Pisces	16:44	22:50	04:56	Naked Eye
Mars♂	Below Horizon	1.0	-22.9°	39°	Cancer	00:16	07:18	14:23	Naked Eye
Mercury☿	Below Horizon	0.4	-41.2°	276°	Libra	08:27	13:22	18:13	Binoculars
Uranus♅	Visible Low	5.6	29.6°	86°	Taurus	19:07	02:21	09:35	Binoculars
Neptune♆	Optimal Visibility	7.8	50.2°	168°	Pisces	16:20	22:20	04:21	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

RISES15:51

BEST TIME22:03S · 53° high

SETS04:26

Reaches about 53° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES01:02

BEST TIME07:52S · 66° high

SETS14:45

Reaches about 66° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:44

BEST TIME22:50S · 53° high

SETS04:56

Reaches about 53° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:50

BEST TIME11:58S · 33° high

SETS16:59

Reaches about 33° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:16

BEST TIME07:18S · 69° high

SETS14:23

Reaches about 69° 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.