OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

30.61°S, 56.90°WAmerica/Montevideo

Daylight+49.8°

15:05:15

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM8h 5m of true darkness · 10h 56m total night

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

TRUE DARK SKY WINDOW

Sunset19:03

Civil Dusk19:28

Nautical19:58

Full Dark20:28

Nadir00:31

Dark Ends04:34

Nautical05:04

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-19.8°

DISTANCE379,955 km

Moonrise16:40

Moonset04:12

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	51.6°	280°	Libra	05:39	12:25	19:10	Naked Eye
Jupiter♃	Below Horizon	-2.0	-15.9°	277°	Leo	02:52	08:23	13:50	Naked Eye
Saturn♄	Below Horizon	0.3	-28.7°	107°	Pisces	17:19	23:17	05:20	Naked Eye
Mars♂	Below Horizon	1.0	-24.8°	277°	Cancer	02:28	07:48	13:06	Naked Eye
Mercury☿	Optimal Visibility	0.4	70.5°	295°	Libra	06:55	13:49	20:43	Binoculars
Uranus♅	Below Horizon	5.6	-79.8°	161°	Taurus	21:39	02:49	08:02	Binoculars
Neptune♆	Below Horizon	7.8	-21.5°	104°	Pisces	16:45	22:48	04:54	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

RISES16:40

BEST TIME22:45N · 55° high

SETS04:12

Reaches about 55° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:52

BEST TIME08:23N · 45° high

SETS13:50

Reaches about 45° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:19

BEST TIME23:17N · 58° high

SETS05:20

Reaches about 58° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:39

BEST TIME12:25N · 77° high

SETS19:10

Reaches about 77° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES02:28

BEST TIME07:48N · 42° high

SETS13:06

Reaches about 42° 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.