OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

39.36°N, 33.72°EEurope/Istanbul

Deep Astronomical Night-41.5° (< −18°)

21:31:05

Fri, Oct 23, 2026

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

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

TRUE DARK SKY WINDOW

Sunset17:55

Civil Dusk18:22

Nautical18:53

Full Dark19:24

Nadir00:29

Dark Ends05:34

Nautical06:05

Civil Dawn06:36

Sunrise07:04

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE49.9°

DISTANCE379,858 km

Moonrise16:18

Moonset04:55

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 Europe/Istanbul

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-47.1°	288°	Libra	07:17	12:24	17:24	Naked Eye
Jupiter♃	Below Horizon	-2.0	-33.3°	21°	Leo	01:27	08:18	15:12	Naked Eye
Saturn♄	Optimal Visibility	0.3	45.1°	141°	Pisces	17:09	23:16	05:22	Naked Eye
Mars♂	Below Horizon	1.0	-27.2°	29°	Cancer	00:40	07:44	14:50	Naked Eye
Mercury☿	Below Horizon	0.4	-32.5°	269°	Libra	08:55	13:48	18:37	Binoculars
Uranus♅	Visible Low	5.6	21.2°	80°	Taurus	19:32	02:47	10:07	Binoculars
Neptune♆	Optimal Visibility	7.8	46.6°	152°	Pisces	16:46	22:46	04:47	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

RISES16:18

BEST TIME22:31S · 52° high

SETS04:55

Reaches about 52° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES01:27

BEST TIME08:18S · 65° high

SETS15:12

Reaches about 65° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:09

BEST TIME23:16S · 52° high

SETS05:22

Reaches about 52° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES07:17

BEST TIME12:24S · 33° high

SETS17:24

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

RISES00:40

BEST TIME07:44S · 69° high

SETS14:50

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.