OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.89°N, 58.37°EAsia/Tehran

Deep Astronomical Night-46.8° (< −18°)

20:39:41

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

Sunset16:53

Civil Dusk17:18

Nautical17:48

Full Dark18:17

Nadir23:21

Dark Ends04:24

Nautical04:53

Civil Dawn05:23

Sunrise05:48

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE56.1°

DISTANCE380,163 km

Moonrise15:08

Moonset03:40

HorizonAbove

LUNAR INTERFERENCE INDEX77% · Heavy Lunar Wash

Bright moonlight washes out deep sky targets. Focus on lunar craters and bright planets.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

65/100

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	-51.9°	285°	Libra	05:58	11:16	16:27	Naked Eye
Jupiter♃	Below Horizon	-2.0	-36.9°	27°	Leo	00:28	07:09	13:54	Naked Eye
Saturn♄	Optimal Visibility	0.3	51.5°	143°	Pisces	16:02	22:08	04:13	Naked Eye
Mars♂	Below Horizon	1.0	-30.1°	34°	Cancer	23:43	06:36	13:30	Naked Eye
Mercury☿	Below Horizon	0.4	-35.8°	268°	Libra	07:33	12:39	17:42	Binoculars
Uranus♅	Visible Low	5.6	23.5°	80°	Taurus	18:37	01:39	08:44	Binoculars
Neptune♆	Optimal Visibility	7.8	53.1°	155°	Pisces	15:37	21:38	03:39	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

RISES15:08

BEST TIME21:19S · 58° high

SETS03:40

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

JupiterNaked Eye · High in the sky

RISES00:28

BEST TIME07:09S · 71° high

SETS13:54

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

RISES16:02

BEST TIME22:08S · 58° high

SETS04:13

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

RISES05:58

BEST TIME11:16S · 38° high

SETS16:27

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

RISES23:43

BEST TIME06:36S · 74° high

SETS13:30

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.