OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

31.25°S, 64.47°WAmerica/Argentina/Cordoba

Daylight+62.5°

14:25:31

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM8h 3m of true darkness · 10h 54m total night

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

TRUE DARK SKY WINDOW

Sunset19:34

Civil Dusk20:00

Nautical20:29

Full Dark21:00

Nadir01:01

Dark Ends05:03

Nautical05:33

Civil Dawn06:03

Sunrise06:28

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE-33.8°

DISTANCE380,103 km

Moonrise17:11

Moonset04:43

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	65.6°	298°	Libra	06:08	12:55	19:41	Naked Eye
Jupiter♃	Below Horizon	-2.0	-1.2°	286°	Leo	03:27	08:53	14:19	Naked Eye
Saturn♄	Below Horizon	0.3	-42.3°	121°	Pisces	17:49	23:48	05:50	Naked Eye
Mars♂	Below Horizon	1.0	-10.1°	285°	Cancer	03:01	08:18	13:35	Naked Eye
Mercury☿	Optimal Visibility	0.4	79.6°	353°	Libra	07:24	14:19	21:15	Binoculars
Uranus♅	Below Horizon	5.6	-73.7°	234°	Taurus	22:11	03:23	08:31	Binoculars
Neptune♆	Below Horizon	7.8	-35.5°	117°	Pisces	17:15	23:18	05:24	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

RISES17:11

BEST TIME23:16N · 54° high

SETS04:43

Reaches about 54° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES03:27

BEST TIME08:53N · 44° high

SETS14:19

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

RISES17:49

BEST TIME23:48N · 57° high

SETS05:50

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

RISES06:08

BEST TIME12:55N · 77° high

SETS19:41

Reaches about 77° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES03:01

BEST TIME08:18N · 41° high

SETS13:35

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

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.