OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

32.32°S, 57.05°WAmerica/Montevideo

Daylight+34.4°

16:18:31

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 57m of true darkness · 10h 51m total night

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

TRUE DARK SKY WINDOW

Sunset19:06

Civil Dusk19:32

Nautical20:02

Full Dark20:33

Nadir00:32

Dark Ends04:30

Nautical05:02

Civil Dawn05:32

Sunrise05:57

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-4.8°

DISTANCE379,681 km

Moonrise16:41

Moonset04:42

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	35.9°	270°	Libra	05:37	12:26	19:14	Naked Eye
Jupiter♃	Below Horizon	-2.0	-31.6°	267°	Leo	02:55	08:23	13:48	Naked Eye
Saturn♄	Below Horizon	0.3	-13.1°	97°	Pisces	17:20	23:18	05:20	Naked Eye
Mars♂	Below Horizon	1.0	-40.5°	266°	Cancer	02:31	07:49	13:04	Naked Eye
Mercury☿	Optimal Visibility	0.4	55.1°	280°	Libra	06:52	13:50	20:48	Binoculars
Uranus♅	Below Horizon	5.6	-67.4°	115°	Taurus	21:43	02:49	07:59	Binoculars
Neptune♆	Below Horizon	7.8	-5.8°	95°	Pisces	16:46	22:48	04:55	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

RISES16:41

BEST TIME22:45N · 53° high

SETS04:42

Reaches about 53° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:55

BEST TIME08:23N · 43° high

SETS13:48

Reaches about 43° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:20

BEST TIME23:18N · 56° high

SETS05:20

Reaches about 56° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:37

BEST TIME12:26N · 76° high

SETS19:14

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

MarsNaked Eye · Good height

RISES02:31

BEST TIME07:49N · 40° high

SETS13:04

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.