OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

36.78°N, 49.75°EAsia/Tehran

Deep Astronomical Night-43.5° (< −18°)

21:02:27

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 2m total night

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

TRUE DARK SKY WINDOW

Sunset17:24

Civil Dusk17:50

Nautical18:21

Full Dark18:51

Nadir23:55

Dark Ends04:59

Nautical05:29

Civil Dawn06:00

Sunrise06:26

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°

DISTANCE380,077 km

Moonrise15:43

Moonset04:17

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	-48.8°	286°	Libra	06:38	11:50	16:55	Naked Eye
Jupiter♃	Below Horizon	-2.0	-35.3°	23°	Leo	00:57	07:44	14:33	Naked Eye
Saturn♄	Optimal Visibility	0.3	47.7°	141°	Pisces	16:36	22:42	04:48	Naked Eye
Mars♂	Below Horizon	1.0	-28.9°	31°	Cancer	00:12	07:10	14:11	Naked Eye
Mercury☿	Below Horizon	0.4	-33.5°	268°	Libra	08:14	13:14	18:10	Binoculars
Uranus♅	Visible Low	5.6	21.7°	79°	Taurus	19:05	02:13	09:26	Binoculars
Neptune♆	Optimal Visibility	7.8	49.4°	152°	Pisces	16:12	22:12	04:13	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

RISES15:43

BEST TIME21:55S · 55° high

SETS04:17

Reaches about 55° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES00:57

BEST TIME07:44S · 68° high

SETS14:33

Reaches about 68° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:36

BEST TIME22:42S · 55° high

SETS04:48

Reaches about 55° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:38

BEST TIME11:50S · 35° high

SETS16:55

Reaches about 35° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:12

BEST TIME07:10S · 71° high

SETS14:11

Reaches about 71° 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.