OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

31.40°S, 62.31°WAmerica/Argentina/Cordoba
Daylight+65.6°
13:55:23
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM8h 2m of true darkness · 10h 54m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:26
Civil Dusk19:51
Nautical20:21
Full Dark20:52
Nadir00:53
Dark Ends04:54
Nautical05:25
Civil Dawn05:54
Sunrise06:20
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) Jupiter (-2.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-37.7°
DISTANCE380,216 km
Moonrise17:03
Moonset04:34
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 -4.369.5°307°Libra05:5912:4619:33Naked Eye
Jupiter♃ Rising / Setting -2.02.8°289°Leo03:1808:4414:10Naked Eye
Saturn♄ Below Horizon 0.3-46.1°127°Pisces17:4123:3905:41Naked Eye
Mars♂ Below Horizon 1.0-5.7°287°Cancer02:5308:1013:27Naked Eye
Mercury☿ Optimal Visibility 0.478.9°20°Libra07:1514:1121:07Binoculars
Uranus♅ Below Horizon 5.6-69.6°244°Taurus22:0203:1408:22Binoculars
Neptune♆ Below Horizon 7.8-39.5°121°Pisces17:0723:0905:16Telescope
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
RISES17:03
BEST TIME23:07N · 54° high
SETS04:34
Reaches about 54° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · Good height
RISES03:18
BEST TIME08:44N · 44° high
SETS14:10
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
RISES17:41
BEST TIME23:39N · 57° high
SETS05:41
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
RISES05:59
BEST TIME12:46N · 77° high
SETS19:33
Reaches about 77° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · Good height
RISES02:53
BEST TIME08:10N · 41° high
SETS13:27
Reaches about 41° 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.