OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

31.66°S, 56.11°WAmerica/Montevideo

Daylight+67.0°

13:17:04

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM8h 1m of true darkness · 10h 53m total night

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

TRUE DARK SKY WINDOW

Sunset19:01

Civil Dusk19:27

Nautical19:57

Full Dark20:28

Nadir00:28

Dark Ends04:28

Nautical04:59

Civil Dawn05:29

Sunrise05:55

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-39.8°

DISTANCE380,360 km

Moonrise16:37

Moonset04:09

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/Montevideo

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	71.5°	314°	Libra	05:34	12:22	19:09	Naked Eye
Jupiter♃	Rising / Setting	-2.0	5.3°	290°	Leo	02:54	08:19	13:45	Naked Eye
Saturn♄	Below Horizon	0.3	-48.2°	131°	Pisces	17:16	23:14	05:17	Naked Eye
Mars♂	Below Horizon	1.0	-3.0°	289°	Cancer	02:29	07:45	13:01	Naked Eye
Mercury☿	Optimal Visibility	0.4	77.4°	34°	Libra	06:50	13:46	20:43	Binoculars
Uranus♅	Below Horizon	5.6	-66.8°	248°	Taurus	21:38	02:50	07:57	Binoculars
Neptune♆	Below Horizon	7.8	-41.8°	125°	Pisces	16:42	22:45	04:51	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

RISES16:37

BEST TIME22:41N · 54° high

SETS04:09

Reaches about 54° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:54

BEST TIME08:19N · 44° high

SETS13:45

Reaches about 44° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:16

BEST TIME23:14N · 57° high

SETS05:17

Reaches about 57° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:34

BEST TIME12:22N · 76° high

SETS19:09

Reaches about 76° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES02:29

BEST TIME07:45N · 40° high

SETS13:01

Reaches about 40° 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.