OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

32.18°S, 64.42°WAmerica/Argentina/Buenos_Aires

Daylight+63.1°

14:17:06

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM7h 58m of true darkness · 10h 52m total night

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

TRUE DARK SKY WINDOW

Sunset19:35

Civil Dusk20:01

Nautical20:31

Full Dark21:02

Nadir01:01

Dark Ends05:00

Nautical05:31

Civil Dawn06:02

Sunrise06:27

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-35.0°

DISTANCE380,135 km

Moonrise17:12

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/Buenos_Aires

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	66.7°	303°	Libra	06:06	12:55	19:43	Naked Eye
Jupiter♃	Rising / Setting	-2.0	0.1°	287°	Leo	03:28	08:53	14:17	Naked Eye
Saturn♄	Below Horizon	0.3	-43.3°	124°	Pisces	17:49	23:47	05:50	Naked Eye
Mars♂	Below Horizon	1.0	-8.6°	285°	Cancer	03:03	08:18	13:34	Naked Eye
Mercury☿	Optimal Visibility	0.4	78.7°	3°	Libra	07:22	14:19	21:17	Binoculars
Uranus♅	Below Horizon	5.6	-71.7°	236°	Taurus	22:12	03:23	08:29	Binoculars
Neptune♆	Below Horizon	7.8	-36.6°	119°	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

RISES17:12

BEST TIME23:16N · 53° high

SETS04:43

Reaches about 53° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · Good height

RISES03:28

BEST TIME08:53N · 43° high

SETS14:17

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

RISES17:49

BEST TIME23:47N · 56° high

SETS05:50

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

RISES06:06

BEST TIME12:55N · 76° high

SETS19:43

Reaches about 76° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · Good height

RISES03:03

BEST TIME08:18N · 40° high

SETS13:34

Reaches about 40° 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.