OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

27.89°S, 59.28°WAmerica/Argentina/Cordoba
Daylight+69.2°
13:36:33
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM8h 17m of true darkness · 11h 2m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:10
Civil Dusk19:34
Nautical20:03
Full Dark20:32
Nadir00:41
Dark Ends04:49
Nautical05:19
Civil Dawn05:47
Sunrise06:12
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-40.3°
DISTANCE380,287 km
Moonrise16:49
Moonset04:22
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 -4.372.7°301°Libra05:5412:3419:15Naked Eye
Jupiter♃ Rising / Setting -2.05.2°289°Leo03:0108:3214:03Naked Eye
Saturn♄ Below Horizon 0.3-49.3°125°Pisces17:2823:2705:30Naked Eye
Mars♂ Below Horizon 1.0-3.2°288°Cancer02:3507:5813:20Naked Eye
Mercury☿ Optimal Visibility 0.481.3°38°Libra07:1013:5920:47Binoculars
Uranus♅ Below Horizon 5.6-69.5°255°Taurus21:4303:0208:17Binoculars
Neptune♆ Below Horizon 7.8-42.5°120°Pisces16:5522:5705:04Telescope
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
RISES16:49
BEST TIME22:54N · 58° high
SETS04:22
Reaches about 58° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES03:01
BEST TIME08:32N · 48° high
SETS14:03
Reaches about 48° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES17:28
BEST TIME23:27N · 61° high
SETS05:30
Reaches about 61° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:54
BEST TIME12:34N · 80° high
SETS19:15
Reaches about 80° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · Good height
RISES02:35
BEST TIME07:58N · 44° high
SETS13:20
Reaches about 44° 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.