OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.20°S, 70.68°WAmerica/Santiago

Daylight+62.6°

14:40:45

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 53m of true darkness · 10h 49m total night

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

TRUE DARK SKY WINDOW

Sunset20:02

Civil Dusk20:27

Nautical20:58

Full Dark21:30

Nadir01:26

Dark Ends05:23

Nautical05:54

Civil Dawn06:25

Sunrise06:51

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE-35.0°

DISTANCE380,046 km

Moonrise17:38

Moonset05:09

HorizonBelow

LUNAR INTERFERENCE INDEX0% · Minimal Lunar Glare

Sky background remains dark; faint nebulae and distant galaxies are distinct.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

42/100

Fair Stargazing

Partial haze or lunar wash. Bright clusters, double stars, and prominent planets remain well visible.

CLOUD COVER15%

HUMIDITY50%

VISIBILITY18 km

DEW POINT10.8°C

PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

All times calibrated to America/Santiago

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	66.4°	305°	Libra	06:29	13:20	20:10	Naked Eye
Jupiter♃	Rising / Setting	-2.0	0.1°	287°	Leo	03:54	09:18	14:41	Naked Eye
Saturn♄	Below Horizon	0.3	-42.9°	125°	Pisces	18:14	00:12	06:14	Naked Eye
Mars♂	Below Horizon	1.0	-8.6°	285°	Cancer	03:30	08:43	13:57	Naked Eye
Mercury☿	Optimal Visibility	0.4	77.7°	4°	Libra	07:44	14:44	21:44	Binoculars
Uranus♅	Below Horizon	5.6	-70.9°	234°	Taurus	22:40	03:48	08:52	Binoculars
Neptune♆	Below Horizon	7.8	-36.3°	120°	Pisces	17:40	23:43	05:49	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

RISES17:38

BEST TIME23:42N · 52° high

SETS05:09

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

JupiterNaked Eye · Good height

RISES03:54

BEST TIME09:18N · 42° high

SETS14:41

Reaches about 42° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES18:14

BEST TIME00:12N · 55° high

SETS06:14

Reaches about 55° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:29

BEST TIME13:20N · 75° high

SETS20:10

Reaches about 75° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES03:30

BEST TIME08:43N · 39° high

SETS13:57

Reaches about 39° 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.