OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

32.62°S, 54.75°WAmerica/Montevideo

Daylight+66.0°

13:13:47

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 56m of true darkness · 10h 51m total night

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

TRUE DARK SKY WINDOW

Sunset18:57

Civil Dusk19:23

Nautical19:53

Full Dark20:25

Nadir00:23

Dark Ends04:21

Nautical04:52

Civil Dawn05:22

Sunrise05:48

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-38.9°

DISTANCE380,372 km

Moonrise16:31

Moonset04:04

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°	315°	Libra	05:27	12:16	19:05	Naked Eye
Jupiter♃	Rising / Setting	-2.0	4.6°	290°	Leo	02:50	08:14	13:38	Naked Eye
Saturn♄	Below Horizon	0.3	-47.2°	131°	Pisces	17:11	23:09	05:11	Naked Eye
Mars♂	Below Horizon	1.0	-3.7°	288°	Cancer	02:25	07:39	12:54	Naked Eye
Mercury☿	Optimal Visibility	0.4	76.8°	29°	Libra	06:42	13:41	20:39	Binoculars
Uranus♅	Below Horizon	5.6	-66.9°	245°	Taurus	21:35	02:44	07:49	Binoculars
Neptune♆	Below Horizon	7.8	-40.8°	125°	Pisces	16:36	22:39	04:46	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 TIME22:36N · 53° high

SETS04:04

Reaches about 53° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:50

BEST TIME08:14N · 43° high

SETS13:38

Reaches about 43° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:11

BEST TIME23:09N · 56° high

SETS05:11

Reaches about 56° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:27

BEST TIME12:16N · 75° high

SETS19:05

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

MarsNaked Eye · Good height

RISES02:25

BEST TIME07:39N · 40° high

SETS12:54

Reaches about 40° 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.