OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.48°S, 55.57°WAmerica/Montevideo

Daylight+65.7°

13:12:55

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 52m of true darkness · 10h 49m total night

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

TRUE DARK SKY WINDOW

Sunset19:02

Civil Dusk19:27

Nautical19:58

Full Dark20:30

Nadir00:26

Dark Ends04:22

Nautical04:53

Civil Dawn05:24

Sunrise05:50

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE-39.3°

DISTANCE380,375 km

Moonrise16:35

Moonset04:07

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	70.5°	319°	Libra	05:28	12:20	19:10	Naked Eye
Jupiter♃	Rising / Setting	-2.0	5.1°	291°	Leo	02:54	08:17	13:40	Naked Eye
Saturn♄	Below Horizon	0.3	-47.3°	133°	Pisces	17:14	23:12	05:14	Naked Eye
Mars♂	Below Horizon	1.0	-3.2°	289°	Cancer	02:30	07:43	12:56	Naked Eye
Mercury☿	Optimal Visibility	0.4	75.6°	31°	Libra	06:43	13:44	20:44	Binoculars
Uranus♅	Below Horizon	5.6	-65.7°	245°	Taurus	21:40	02:47	07:51	Binoculars
Neptune♆	Below Horizon	7.8	-41.1°	126°	Pisces	16:40	22:42	04:49	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

RISES16:35

BEST TIME22:39N · 52° high

SETS04:07

Reaches about 52° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:54

BEST TIME08:17N · 42° high

SETS13:40

Reaches about 42° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:14

BEST TIME23:12N · 55° high

SETS05:14

Reaches about 55° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:28

BEST TIME12:20N · 75° high

SETS19:10

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

MarsNaked Eye · Good height

RISES02:30

BEST TIME07:43N · 39° high

SETS12:56

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.