OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

37.09°N, 50.17°EAsia/Tehran

Deep Astronomical Night-42.8° (< −18°)

20:57:52

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 3m total night

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

TRUE DARK SKY WINDOW

Sunset17:22

Civil Dusk17:48

Nautical18:19

Full Dark18:49

Nadir23:53

Dark Ends04:58

Nautical05:28

Civil Dawn05:58

Sunrise06:25

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE52.1°

DISTANCE380,094 km

Moonrise15:41

Moonset04:15

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	-48.2°	286°	Libra	06:37	11:48	16:53	Naked Eye
Jupiter♃	Below Horizon	-2.0	-35.3°	22°	Leo	00:55	07:42	14:32	Naked Eye
Saturn♄	Optimal Visibility	0.3	47.1°	140°	Pisces	16:34	22:40	04:46	Naked Eye
Mars♂	Below Horizon	1.0	-29.0°	30°	Cancer	00:09	07:08	14:09	Naked Eye
Mercury☿	Below Horizon	0.4	-32.9°	268°	Libra	08:13	13:12	18:07	Binoculars
Uranus♅	Visible Low	5.6	21.2°	79°	Taurus	19:02	02:12	09:25	Binoculars
Neptune♆	Optimal Visibility	7.8	48.9°	151°	Pisces	16:10	22:11	04:11	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

RISES15:41

BEST TIME21:53S · 54° high

SETS04:15

Reaches about 54° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES00:55

BEST TIME07:42S · 67° high

SETS14:32

Reaches about 67° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:34

BEST TIME22:40S · 54° high

SETS04:46

Reaches about 54° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES06:37

BEST TIME11:48S · 35° high

SETS16:53

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

RISES00:09

BEST TIME07:08S · 71° high

SETS14:09

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.