OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.96°N, 29.18°EEurope/Istanbul

Astronomical Twilight-13.7° (−12° to −18°)

19:23:18

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

Sunset18:11

Civil Dusk18:39

Nautical19:11

Full Dark19:43

Nadir00:47

Dark Ends05:52

Nautical06:24

Civil Dawn06:56

Sunrise07:24

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE29.3°

DISTANCE380,336 km

Moonrise16:36

Moonset05:15

HorizonAbove

LUNAR INTERFERENCE INDEX45% · Moderate Lunar Glow

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

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 Europe/Istanbul

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-19.1°	263°	Libra	07:46	12:42	17:38	Naked Eye
Jupiter♃	Below Horizon	-2.0	-31.6°	339°	Leo	01:42	08:39	15:33	Naked Eye
Saturn♄	Visible Low	0.3	21.1°	107°	Pisces	17:27	23:34	05:41	Naked Eye
Mars♂	Below Horizon	1.0	-30.0°	349°	Cancer	00:55	08:04	15:12	Naked Eye
Mercury☿	Below Horizon	0.4	-5.4°	247°	Libra	09:21	14:06	18:51	Binoculars
Uranus♅	Below Horizon	5.6	-3.6°	57°	Taurus	19:45	03:05	10:29	Binoculars
Neptune♆	Visible Low	7.8	25.0°	115°	Pisces	17:04	23:04	05:05	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

RISES16:36

BEST TIME22:49S · 51° high

SETS05:15

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

JupiterNaked Eye · High in the sky

RISES01:42

BEST TIME08:39S · 64° high

SETS15:33

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

RISES17:27

BEST TIME23:34S · 51° high

SETS05:41

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

RISES07:46

BEST TIME12:42S · 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

RISES00:55

BEST TIME08:04S · 67° high

SETS15:12

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.