OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

32.34°S, 54.24°WAmerica/Montevideo

Daylight+41.8°

15:31:33

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 57m of true darkness · 10h 51m total night

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

TRUE DARK SKY WINDOW

Sunset18:55

Civil Dusk19:20

Nautical19:51

Full Dark20:22

Nadir00:21

Dark Ends04:19

Nautical04:50

Civil Dawn05:21

Sunrise05:46

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-12.0°

DISTANCE379,856 km

Moonrise16:29

Moonset04:02

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	43.5°	276°	Libra	05:25	12:14	19:03	Naked Eye
Jupiter♃	Below Horizon	-2.0	-23.9°	272°	Leo	02:44	08:12	13:37	Naked Eye
Saturn♄	Below Horizon	0.3	-20.6°	102°	Pisces	17:09	23:07	05:09	Naked Eye
Mars♂	Below Horizon	1.0	-32.9°	271°	Cancer	02:20	07:37	12:53	Naked Eye
Mercury☿	Optimal Visibility	0.4	62.5°	287°	Libra	06:41	13:39	20:37	Binoculars
Uranus♅	Below Horizon	5.6	-73.8°	132°	Taurus	21:32	02:38	07:48	Binoculars
Neptune♆	Below Horizon	7.8	-13.4°	100°	Pisces	16:34	22:37	04:44	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

RISES16:29

BEST TIME22:34N · 53° high

SETS04:02

Reaches about 53° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:44

BEST TIME08:12N · 43° high

SETS13:37

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

RISES17:09

BEST TIME23:07N · 56° high

SETS05:09

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

RISES05:25

BEST TIME12:14N · 76° high

SETS19:03

Reaches about 76° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES02:20

BEST TIME07:37N · 40° high

SETS12:53

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.