OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

30.33°S, 57.62°WAmerica/Montevideo

Daylight+65.7°

13:41:17

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM8h 7m of true darkness · 10h 56m total night

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

TRUE DARK SKY WINDOW

Sunset19:06

Civil Dusk19:31

Nautical20:00

Full Dark20:31

Nadir00:34

Dark Ends04:37

Nautical05:08

Civil Dawn05:37

Sunrise06:02

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-37.1°

DISTANCE380,269 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	69.3°	302°	Libra	05:43	12:28	19:12	Naked Eye
Jupiter♃	Rising / Setting	-2.0	2.2°	288°	Leo	02:58	08:25	13:53	Naked Eye
Saturn♄	Below Horizon	0.3	-45.9°	125°	Pisces	17:22	23:20	05:23	Naked Eye
Mars♂	Below Horizon	1.0	-6.3°	287°	Cancer	02:32	07:51	13:10	Naked Eye
Mercury☿	Optimal Visibility	0.4	80.3°	16°	Libra	06:58	13:52	20:46	Binoculars
Uranus♅	Below Horizon	5.6	-71.0°	245°	Taurus	21:41	02:56	08:06	Binoculars
Neptune♆	Below Horizon	7.8	-39.1°	120°	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 · 55° high

SETS04:15

Reaches about 55° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES02:58

BEST TIME08:25N · 45° high

SETS13:53

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

RISES17:22

BEST TIME23:20N · 58° high

SETS05:23

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

RISES05:43

BEST TIME12:28N · 78° high

SETS19:12

Reaches about 78° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES02:32

BEST TIME07:51N · 42° high

SETS13:10

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.