OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

38.48°N, 47.07°EAsia/Tehran

Deep Astronomical Night-40.5° (< −18°)

21:00:34

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 6m total night

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

TRUE DARK SKY WINDOW

Sunset17:33

Civil Dusk18:00

Nautical18:30

Full Dark19:01

Nadir00:06

Dark Ends05:10

Nautical05:41

Civil Dawn06:12

Sunrise06:39

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE50.0°

DISTANCE380,084 km

Moonrise15:53

Moonset04:29

HorizonAbove

LUNAR INTERFERENCE INDEX71% · 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	-45.9°	285°	Libra	06:52	12:01	17:03	Naked Eye
Jupiter♃	Below Horizon	-2.0	-34.6°	19°	Leo	01:05	07:54	14:47	Naked Eye
Saturn♄	Optimal Visibility	0.3	44.8°	138°	Pisces	16:46	22:53	04:59	Naked Eye
Mars♂	Below Horizon	1.0	-28.6°	27°	Cancer	00:19	07:21	14:25	Naked Eye
Mercury☿	Below Horizon	0.4	-31.0°	267°	Libra	08:29	13:24	18:16	Binoculars
Uranus♅	Visible Low	5.6	19.6°	78°	Taurus	19:11	02:24	09:41	Binoculars
Neptune♆	Optimal Visibility	7.8	46.7°	149°	Pisces	16:22	22:23	04:24	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

RISES15:53

BEST TIME22:06S · 53° high

SETS04:29

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

JupiterNaked Eye · High in the sky

RISES01:05

BEST TIME07:54S · 66° high

SETS14:47

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

RISES16:46

BEST TIME22:53S · 53° high

SETS04:59

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

RISES06:52

BEST TIME12:01S · 33° high

SETS17:03

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

RISES00:19

BEST TIME07:21S · 69° high

SETS14:25

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.