OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.06°S, 77.12°WAmerica/Lima

Daylight+84.1°

12:17:00

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 8m of true darkness · 11h 33m total night

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

TRUE DARK SKY WINDOW

Sunset18:06

Civil Dusk18:27

Nautical18:53

Full Dark19:18

Nadir23:52

Dark Ends04:26

Nautical04:51

Civil Dawn05:17

Sunrise05:38

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-52.6°

DISTANCE380,135 km

Moonrise16:00

Moonset03:34

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

All times calibrated to America/Lima

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	80.4°	231°	Libra	05:29	11:45	18:02	Naked Eye
Jupiter♃	Visible Low	-2.0	17.2°	289°	Leo	01:54	07:43	13:32	Naked Eye
Saturn♄	Below Horizon	0.3	-63.6°	112°	Pisces	16:38	22:38	04:42	Naked Eye
Mars♂	Rising / Setting	1.0	8.4°	290°	Cancer	01:23	07:09	12:55	Naked Eye
Mercury☿	Optimal Visibility	0.4	74.4°	126°	Libra	06:50	13:10	19:30	Binoculars
Uranus♅	Below Horizon	5.6	-60.9°	292°	Taurus	20:27	02:13	07:56	Binoculars
Neptune♆	Below Horizon	7.8	-56.0°	109°	Pisces	16:07	22:08	04:14	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

RISES16:00

BEST TIME22:08N · 73° high

SETS03:34

Reaches about 73° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:54

BEST TIME07:43N · 64° high

SETS13:32

Reaches about 64° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:38

BEST TIME22:38N · 77° high

SETS04:42

Reaches about 77° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:29

BEST TIME11:45S · 84° high

SETS18:02

Reaches about 84° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:23

BEST TIME07:09N · 60° high

SETS12:55

Reaches about 60° 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.