OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

39.22°N, 44.75°EAsia/Tehran

Deep Astronomical Night-49.8° (< −18°)

22:05:15

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 8m total night

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

TRUE DARK SKY WINDOW

Sunset17:41

Civil Dusk18:08

Nautical18:39

Full Dark19:10

Nadir00:15

Dark Ends05:20

Nautical05:51

Civil Dawn06:22

Sunrise06:49

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE52.3°

DISTANCE379,843 km

Moonrise16:03

Moonset04:39

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	-55.7°	300°	Libra	07:03	12:10	17:10	Naked Eye
Jupiter♃	Below Horizon	-2.0	-29.1°	34°	Leo	01:13	08:04	14:57	Naked Eye
Saturn♄	Optimal Visibility	0.3	50.0°	157°	Pisces	16:55	23:02	05:08	Naked Eye
Mars♂	Below Horizon	1.0	-22.0°	40°	Cancer	00:26	07:30	14:36	Naked Eye
Mercury☿	Below Horizon	0.4	-41.9°	277°	Libra	08:40	13:34	18:23	Binoculars
Uranus♅	Optimal Visibility	5.6	30.4°	87°	Taurus	19:18	02:33	09:48	Binoculars
Neptune♆	Optimal Visibility	7.8	49.9°	169°	Pisces	16:32	22:32	04:33	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

RISES16:03

BEST TIME22:15S · 52° high

SETS04:39

Reaches about 52° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES01:13

BEST TIME08:04S · 65° high

SETS14:57

Reaches about 65° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:55

BEST TIME23:02S · 52° high

SETS05:08

Reaches about 52° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES07:03

BEST TIME12:10S · 33° high

SETS17:10

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

RISES00:26

BEST TIME07:30S · 69° high

SETS14:36

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.