OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.52°S, 56.41°WAmerica/Montevideo

Daylight+36.0°

16:07:07

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 51m of true darkness · 10h 48m total night

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

TRUE DARK SKY WINDOW

Sunset19:05

Civil Dusk19:31

Nautical20:02

Full Dark20:33

Nadir00:29

Dark Ends04:25

Nautical04:57

Civil Dawn05:28

Sunrise05:53

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-6.6°

DISTANCE379,724 km

Moonrise16:38

Moonset04:10

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	37.8°	273°	Libra	05:32	12:23	19:14	Naked Eye
Jupiter♃	Below Horizon	-2.0	-29.6°	268°	Leo	02:54	08:21	13:44	Naked Eye
Saturn♄	Below Horizon	0.3	-14.8°	99°	Pisces	17:17	23:15	05:18	Naked Eye
Mars♂	Below Horizon	1.0	-38.5°	266°	Cancer	02:31	07:46	12:59	Naked Eye
Mercury☿	Optimal Visibility	0.4	56.7°	283°	Libra	06:47	13:47	20:48	Binoculars
Uranus♅	Below Horizon	5.6	-68.5°	121°	Taurus	21:43	02:47	07:54	Binoculars
Neptune♆	Below Horizon	7.8	-7.6°	96°	Pisces	16:43	22:46	04:53	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

RISES16:38

BEST TIME22:43N · 52° high

SETS04:10

Reaches about 52° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES02:54

BEST TIME08:21N · 42° high

SETS13:44

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

RISES17:17

BEST TIME23:15N · 55° high

SETS05:18

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

RISES05:32

BEST TIME12:23N · 75° high

SETS19:14

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

MarsNaked Eye · Good height

RISES02:31

BEST TIME07:46N · 39° high

SETS12:59

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.