OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.07°S, 75.28°WAmerica/Lima

Daylight+63.9°

13:31:57

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

Sunset17:58

Civil Dusk18:20

Nautical18:45

Full Dark19:11

Nadir23:45

Dark Ends04:19

Nautical04:44

Civil Dawn05:09

Sunrise05:31

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-33.4°

DISTANCE379,855 km

Moonrise15:52

Moonset03:27

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	61.9°	254°	Libra	05:21	11:38	17:55	Naked Eye
Jupiter♃	Below Horizon	-2.0	-1.5°	284°	Leo	01:47	07:36	13:25	Naked Eye
Saturn♄	Below Horizon	0.3	-44.0°	100°	Pisces	16:31	22:31	04:35	Naked Eye
Mars♂	Below Horizon	1.0	-10.2°	286°	Cancer	01:13	07:01	12:48	Naked Eye
Mercury☿	Optimal Visibility	0.4	78.8°	217°	Libra	06:42	13:03	19:23	Binoculars
Uranus♅	Below Horizon	5.6	-78.1°	320°	Taurus	20:19	02:06	07:49	Binoculars
Neptune♆	Below Horizon	7.8	-36.3°	100°	Pisces	15:59	22:01	04:07	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

RISES15:52

BEST TIME22:01N · 73° high

SETS03:27

Reaches about 73° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:47

BEST TIME07:36N · 64° high

SETS13:25

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

RISES16:31

BEST TIME22:31N · 77° high

SETS04:35

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

RISES05:21

BEST TIME11:38S · 84° high

SETS17:55

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

RISES01:13

BEST TIME07:01N · 60° high

SETS12:48

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.