OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

34.41°N, 49.49°EAsia/Tehran

Deep Astronomical Night-37.3° (< −18°)

20:28:35

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 12h 56m total night

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

TRUE DARK SKY WINDOW

Sunset17:28

Civil Dusk17:53

Nautical18:23

Full Dark18:52

Nadir23:56

Dark Ends05:00

Nautical05:29

Civil Dawn05:59

Sunrise06:24

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE51.2°

DISTANCE380,204 km

Moonrise15:44

Moonset04:17

HorizonAbove

LUNAR INTERFERENCE INDEX72% · Heavy Lunar Wash

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

67/100

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	-42.3°	277°	Libra	06:34	11:51	17:01	Naked Eye
Jupiter♃	Below Horizon	-2.0	-39.8°	13°	Leo	01:02	07:45	14:30	Naked Eye
Saturn♄	Optimal Visibility	0.3	44.4°	129°	Pisces	16:37	22:43	04:49	Naked Eye
Mars♂	Below Horizon	1.0	-34.2°	22°	Cancer	00:18	07:11	14:07	Naked Eye
Mercury☿	Below Horizon	0.4	-26.1°	262°	Libra	08:10	13:15	18:16	Binoculars
Uranus♅	Visible Low	5.6	14.3°	74°	Taurus	19:11	02:14	09:21	Binoculars
Neptune♆	Optimal Visibility	7.8	47.3°	139°	Pisces	16:13	22:13	04:14	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

RISES15:44

BEST TIME21:56S · 57° high

SETS04:17

Reaches about 57° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES01:02

BEST TIME07:45S · 70° high

SETS14:30

Reaches about 70° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:37

BEST TIME22:43S · 57° high

SETS04:49

Reaches about 57° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:34

BEST TIME11:51S · 38° high

SETS17:01

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

RISES00:18

BEST TIME07:11S · 73° high

SETS14:07

Reaches about 73° 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.