OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

33.08°S, 63.28°WAmerica/Argentina/Cordoba
Daylight+45.5°
15:47:57
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM7h 54m of true darkness · 10h 50m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:32
Civil Dusk19:58
Nautical20:28
Full Dark21:00
Nadir00:57
Dark Ends04:53
Nautical05:25
Civil Dawn05:56
Sunrise06:21
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
ILLUMINATION93%
ALTITUDE-16.2°
DISTANCE379,795 km
Moonrise17:07
Moonset04:38
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 -4.347.5°280°Libra06:0012:5019:40Naked Eye
Jupiter♃ Below Horizon -2.0-19.8°274°Leo03:2108:4814:12Naked Eye
Saturn♄ Below Horizon 0.3-24.5°106°Pisces17:4523:4305:45Naked Eye
Mars♂ Below Horizon 1.0-28.7°273°Cancer02:5808:1313:27Naked Eye
Mercury☿ Optimal Visibility 0.466.1°295°Libra07:1514:1521:14Binoculars
Uranus♅ Below Horizon 5.6-75.9°148°Taurus22:1003:1408:22Binoculars
Neptune♆ Below Horizon 7.8-17.3°103°Pisces17:1023:1305:20Telescope
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
RISES17:07
BEST TIME23:11N · 52° high
SETS04:38
Reaches about 52° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · Good height
RISES03:21
BEST TIME08:48N · 43° high
SETS14:12
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
RISES17:45
BEST TIME23:43N · 56° high
SETS05:45
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
RISES06:00
BEST TIME12:50N · 75° high
SETS19:40
Reaches about 75° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · Good height
RISES02:58
BEST TIME08:13N · 39° high
SETS13:27
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

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.