OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

39.89°S, 73.43°WAmerica/Santiago

Daylight+56.0°

15:03:24

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 13m of true darkness · 10h 31m total night

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

TRUE DARK SKY WINDOW

Sunset20:22

Civil Dusk20:50

Nautical21:24

Full Dark22:00

Nadir01:37

Dark Ends05:14

Nautical05:50

Civil Dawn06:24

Sunrise06:53

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-30.3°

DISTANCE379,962 km

Moonrise17:52

Moonset05:20

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	60.4°	311°	Libra	06:26	13:31	20:35	Naked Eye
Jupiter♃	Below Horizon	-2.0	-3.9°	285°	Leo	04:16	09:29	14:41	Naked Eye
Saturn♄	Below Horizon	0.3	-37.0°	127°	Pisces	18:26	00:23	06:25	Naked Eye
Mars♂	Below Horizon	1.0	-12.5°	283°	Cancer	03:54	08:54	13:54	Naked Eye
Mercury☿	Optimal Visibility	0.4	71.0°	354°	Libra	07:38	14:55	22:12	Binoculars
Uranus♅	Below Horizon	5.6	-67.7°	215°	Taurus	23:07	03:59	08:46	Binoculars
Neptune♆	Below Horizon	7.8	-30.9°	121°	Pisces	17:50	23:54	06:01	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

RISES17:52

BEST TIME23:53N · 45° high

SETS05:20

Reaches about 45° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES04:16

BEST TIME09:29N · 36° high

SETS14:41

Reaches about 36° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES18:26

BEST TIME00:23N · 49° high

SETS06:25

Reaches about 49° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:26

BEST TIME13:31N · 68° high

SETS20:35

Reaches about 68° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES03:54

BEST TIME08:54N · 32° high

SETS13:54

Reaches about 32° 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.