OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.69°N, 29.51°EEurope/Istanbul

Astronomical Twilight-17.0° (−12° to −18°)

19:39:07

Fri, Oct 23, 2026

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

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

TRUE DARK SKY WINDOW

Sunset18:10

Civil Dusk18:38

Nautical19:10

Full Dark19:41

Nadir00:46

Dark Ends05:51

Nautical06:22

Civil Dawn06:54

Sunrise07:22

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE32.3°

DISTANCE380,277 km

Moonrise16:35

Moonset05:13

HorizonAbove

LUNAR INTERFERENCE INDEX49% · Moderate Lunar Glow

Milky Way contrast is softened. Bright open clusters and double stars are optimal.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

65/100

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	-22.3°	265°	Libra	07:44	12:41	17:38	Naked Eye
Jupiter♃	Below Horizon	-2.0	-32.9°	343°	Leo	01:41	08:38	15:31	Naked Eye
Saturn♄	Visible Low	0.3	24.2°	111°	Pisces	17:26	23:33	05:39	Naked Eye
Mars♂	Below Horizon	1.0	-30.7°	354°	Cancer	00:54	08:03	15:10	Naked Eye
Mercury☿	Below Horizon	0.4	-8.4°	250°	Libra	09:19	14:04	18:50	Binoculars
Uranus♅	Below Horizon	5.6	-0.9°	60°	Taurus	19:45	03:04	10:27	Binoculars
Neptune♆	Visible Low	7.8	28.1°	118°	Pisces	17:02	23:03	05:04	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

RISES16:35

BEST TIME22:48S · 51° high

SETS05:13

Reaches about 51° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Moderate Lunar Glow.

JupiterNaked Eye · High in the sky

RISES01:41

BEST TIME08:38S · 64° high

SETS15:31

Reaches about 64° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:26

BEST TIME23:33S · 51° high

SETS05:39

Reaches about 51° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES07:44

BEST TIME12:41S · 31° high

SETS17:38

Reaches about 31° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:54

BEST TIME08:03S · 67° high

SETS15:10

Reaches about 67° 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.