OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

34.47°S, 63.54°WAmerica/Argentina/Cordoba

Daylight+61.5°

14:13:21

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 46m of true darkness · 10h 46m total night

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

TRUE DARK SKY WINDOW

Sunset19:35

Civil Dusk20:01

Nautical20:32

Full Dark21:04

Nadir00:58

Dark Ends04:51

Nautical05:23

Civil Dawn05:54

Sunrise06:21

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE-34.1°

DISTANCE380,149 km

Moonrise17:08

Moonset04:40

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/Argentina/Cordoba

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	65.4°	307°	Libra	05:58	12:51	19:44	Naked Eye
Jupiter♃	Below Horizon	-2.0	-0.4°	287°	Leo	03:28	08:49	14:11	Naked Eye
Saturn♄	Below Horizon	0.3	-42.0°	126°	Pisces	17:46	23:44	05:46	Naked Eye
Mars♂	Below Horizon	1.0	-9.2°	285°	Cancer	03:03	08:15	13:26	Naked Eye
Mercury☿	Optimal Visibility	0.4	76.5°	3°	Libra	07:13	14:16	21:19	Binoculars
Uranus♅	Below Horizon	5.6	-70.3°	231°	Taurus	22:14	03:19	08:20	Binoculars
Neptune♆	Below Horizon	7.8	-35.5°	120°	Pisces	17:11	23:14	05:21	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

RISES17:08

BEST TIME23:12N · 51° high

SETS04:40

Reaches about 51° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES03:28

BEST TIME08:49N · 41° high

SETS14:11

Reaches about 41° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:46

BEST TIME23:44N · 54° high

SETS05:46

Reaches about 54° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:58

BEST TIME12:51N · 74° high

SETS19:44

Reaches about 74° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES03:03

BEST TIME08:15N · 38° high

SETS13:26

Reaches about 38° 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.