OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.64°S, 55.36°WAmerica/Montevideo

Daylight+67.9°

12:33:17

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 51m of true darkness · 10h 48m total night

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

TRUE DARK SKY WINDOW

Sunset19:01

Civil Dusk19:27

Nautical19:58

Full Dark20:30

Nadir00:25

Dark Ends04:20

Nautical04:52

Civil Dawn05:23

Sunrise05:49

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE-45.5°

DISTANCE380,524 km

Moonrise16:34

Moonset04:06

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/Montevideo

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	74.1°	348°	Libra	05:27	12:19	19:10	Naked Eye
Jupiter♃	Visible Low	-2.0	12.4°	297°	Leo	02:54	08:16	13:39	Naked Eye
Saturn♄	Below Horizon	0.3	-52.5°	146°	Pisces	17:13	23:11	05:13	Naked Eye
Mars♂	Rising / Setting	1.0	3.9°	294°	Cancer	02:29	07:42	12:55	Naked Eye
Mercury☿	Optimal Visibility	0.4	69.9°	55°	Libra	06:42	13:43	20:44	Binoculars
Uranus♅	Below Horizon	5.6	-58.0°	255°	Taurus	21:39	02:47	07:50	Binoculars
Neptune♆	Below Horizon	7.8	-47.0°	137°	Pisces	16:39	22:42	04:48	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

RISES16:34

BEST TIME22:38N · 52° high

SETS04:06

Reaches about 52° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:54

BEST TIME08:16N · 42° high

SETS13:39

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

RISES17:13

BEST TIME23:11N · 55° high

SETS05:13

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

RISES05:27

BEST TIME12:19N · 74° high

SETS19:10

Reaches about 74° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES02:29

BEST TIME07:42N · 38° high

SETS12:55

Reaches about 38° 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.