OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

34.42°S, 57.87°WAmerica/Montevideo

Daylight+40.6°

15:49:25

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 47m of true darkness · 10h 46m total night

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

TRUE DARK SKY WINDOW

Sunset19:12

Civil Dusk19:38

Nautical20:09

Full Dark20:42

Nadir00:35

Dark Ends04:28

Nautical05:01

Civil Dawn05:32

Sunrise05:58

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-11.3°

DISTANCE379,790 km

Moonrise16:45

Moonset04:16

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	42.5°	277°	Libra	05:36	12:29	19:21	Naked Eye
Jupiter♃	Below Horizon	-2.0	-24.7°	271°	Leo	03:01	08:26	13:48	Naked Eye
Saturn♄	Below Horizon	0.3	-19.5°	103°	Pisces	17:23	23:21	05:23	Naked Eye
Mars♂	Below Horizon	1.0	-33.6°	269°	Cancer	02:38	07:52	13:03	Naked Eye
Mercury☿	Optimal Visibility	0.4	61.1°	290°	Libra	06:50	13:53	20:56	Binoculars
Uranus♅	Below Horizon	5.6	-71.8°	135°	Taurus	21:51	02:52	07:58	Binoculars
Neptune♆	Below Horizon	7.8	-12.3°	100°	Pisces	16:49	22:52	04:58	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

RISES16:45

BEST TIME22:49N · 51° high

SETS04:16

Reaches about 51° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES03:01

BEST TIME08:26N · 41° high

SETS13:48

Reaches about 41° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:23

BEST TIME23:21N · 54° high

SETS05:23

Reaches about 54° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:36

BEST TIME12:29N · 74° high

SETS19:21

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

MarsNaked Eye · Good height

RISES02:38

BEST TIME07:52N · 38° high

SETS13:03

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.