OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

32.70°S, 57.63°WAmerica/Montevideo

Daylight+45.6°

15:25:34

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 56m of true darkness · 10h 50m total night

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

TRUE DARK SKY WINDOW

Sunset19:09

Civil Dusk19:34

Nautical20:05

Full Dark20:36

Nadir00:34

Dark Ends04:32

Nautical05:03

Civil Dawn05:34

Sunrise05:59

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-16.0°

DISTANCE379,879 km

Moonrise16:43

Moonset04:15

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	47.5°	279°	Libra	05:38	12:28	19:17	Naked Eye
Jupiter♃	Below Horizon	-2.0	-19.8°	274°	Leo	02:58	08:25	13:50	Naked Eye
Saturn♄	Below Horizon	0.3	-24.6°	106°	Pisces	17:22	23:20	05:22	Naked Eye
Mars♂	Below Horizon	1.0	-28.7°	273°	Cancer	02:34	07:51	13:06	Naked Eye
Mercury☿	Optimal Visibility	0.4	66.2°	294°	Libra	06:53	13:52	20:51	Binoculars
Uranus♅	Below Horizon	5.6	-76.2°	147°	Taurus	21:46	02:51	08:01	Binoculars
Neptune♆	Below Horizon	7.8	-17.4°	102°	Pisces	16:48	22:51	04:57	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

RISES16:43

BEST TIME22:48N · 53° high

SETS04:15

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

JupiterNaked Eye · Good height

RISES02:58

BEST TIME08:25N · 43° high

SETS13:50

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

RISES17:22

BEST TIME23:20N · 56° high

SETS05:22

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

RISES05:38

BEST TIME12:28N · 75° high

SETS19:17

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

MarsNaked Eye · Good height

RISES02:34

BEST TIME07:51N · 39° high

SETS13:06

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.