OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

36.95°N, 48.90°EAsia/Tehran

Deep Astronomical Night-32.8° (< −18°)

20:10:42

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

Sunset17:27

Civil Dusk17:54

Nautical18:24

Full Dark18:54

Nadir23:58

Dark Ends05:03

Nautical05:33

Civil Dawn06:03

Sunrise06:30

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE46.6°

DISTANCE380,271 km

Moonrise15:46

Moonset04:20

HorizonAbove

LUNAR INTERFERENCE INDEX67% · Heavy Lunar Wash

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

68/100

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	-37.8°	276°	Libra	06:42	11:53	16:58	Naked Eye
Jupiter♃	Below Horizon	-2.0	-38.0°	7°	Leo	01:00	07:47	14:37	Naked Eye
Saturn♄	Optimal Visibility	0.3	39.6°	125°	Pisces	16:39	22:45	04:51	Naked Eye
Mars♂	Below Horizon	1.0	-33.2°	16°	Cancer	00:15	07:14	14:14	Naked Eye
Mercury☿	Below Horizon	0.4	-22.4°	260°	Libra	08:22	13:17	18:13	Binoculars
Uranus♅	Visible Low	5.6	11.1°	72°	Taurus	19:08	02:17	09:30	Binoculars
Neptune♆	Optimal Visibility	7.8	42.7°	135°	Pisces	16:15	22:16	04:16	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

RISES15:46

BEST TIME21:58S · 55° high

SETS04:20

Reaches about 55° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES01:00

BEST TIME07:47S · 67° high

SETS14:37

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

RISES16:39

BEST TIME22:45S · 55° high

SETS04:51

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

RISES06:42

BEST TIME11:53S · 35° high

SETS16:58

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

RISES00:15

BEST TIME07:14S · 71° high

SETS14:14

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.