OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

32.14°S, 53.79°WAmerica/Montevideo
Daylight+62.1°
13:41:37
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM7h 58m of true darkness · 10h 52m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:53
Civil Dusk19:18
Nautical19:48
Full Dark20:20
Nadir00:19
Dark Ends04:18
Nautical04:49
Civil Dawn05:19
Sunrise05:45
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Vega Arcturus Altair Spica Antares Venus (-4.3) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-33.3°
DISTANCE380,268 km
Moonrise16:27
Moonset04:00
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

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Optimal Visibility -4.365.5°300°Libra05:2412:1319:01Naked Eye
Jupiter♃ Below Horizon -2.0-1.2°286°Leo02:4508:1013:35Naked Eye
Saturn♄ Below Horizon 0.3-42.1°122°Pisces17:0723:0505:07Naked Eye
Mars♂ Below Horizon 1.0-10.1°285°Cancer02:2007:3612:51Naked Eye
Mercury☿ Optimal Visibility 0.478.8°355°Libra06:3913:3720:34Binoculars
Uranus♅ Below Horizon 5.6-72.9°232°Taurus21:3002:4007:47Binoculars
Neptune♆ Below Horizon 7.8-35.3°117°Pisces16:3322:3504:42Telescope
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
RISES16:27
BEST TIME22:32N · 53° high
SETS04:00
Reaches about 53° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · Good height
RISES02:45
BEST TIME08:10N · 44° high
SETS13:35
Reaches about 44° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES17:07
BEST TIME23:05N · 57° high
SETS05:07
Reaches about 57° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:24
BEST TIME12:13N · 76° high
SETS19:01
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 TIME07:36N · 40° high
SETS12:51
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

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.