OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

34.59°S, 54.54°WAmerica/Montevideo

Daylight+55.0°

14:18:42

Fri, Oct 23, 2026

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

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

TRUE DARK SKY WINDOW

Sunset18:59

Civil Dusk19:25

Nautical19:56

Full Dark20:29

Nadir00:22

Dark Ends04:15

Nautical04:47

Civil Dawn05:18

Sunrise05:45

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-26.1°

DISTANCE380,129 km

Moonrise16:31

Moonset04:03

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	58.0°	293°	Libra	05:22	12:16	19:08	Naked Eye
Jupiter♃	Below Horizon	-2.0	-8.7°	281°	Leo	02:52	08:13	13:35	Naked Eye
Saturn♄	Below Horizon	0.3	-34.6°	116°	Pisces	17:10	23:08	05:10	Naked Eye
Mars♂	Below Horizon	1.0	-17.6°	280°	Cancer	02:28	07:39	12:50	Naked Eye
Mercury☿	Optimal Visibility	0.4	73.9°	326°	Libra	06:37	13:40	20:43	Binoculars
Uranus♅	Below Horizon	5.6	-75.4°	202°	Taurus	21:38	02:43	07:44	Binoculars
Neptune♆	Below Horizon	7.8	-27.8°	112°	Pisces	16:35	22:38	04:45	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

RISES16:31

BEST TIME22:35N · 51° high

SETS04:03

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

JupiterNaked Eye · Good height

RISES02:52

BEST TIME08:13N · 41° high

SETS13:35

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

RISES17:10

BEST TIME23:08N · 54° high

SETS05:10

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

RISES05:22

BEST TIME12:16N · 73° high

SETS19:08

Reaches about 73° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES02:28

BEST TIME07:39N · 38° high

SETS12:50

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.