OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

10.77°S, 76.28°WAmerica/Lima

Daylight+80.5°

12:27:54

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 11m of true darkness · 11h 35m total night

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

TRUE DARK SKY WINDOW

Sunset18:01

Civil Dusk18:23

Nautical18:48

Full Dark19:13

Nadir23:49

Dark Ends04:24

Nautical04:49

Civil Dawn05:15

Sunrise05:36

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-49.5°

DISTANCE380,094 km

Moonrise15:56

Moonset03:31

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	76.8°	235°	Libra	05:27	11:42	17:57	Naked Eye
Jupiter♃	Visible Low	-2.0	14.4°	288°	Leo	01:50	07:40	13:30	Naked Eye
Saturn♄	Below Horizon	0.3	-60.7°	107°	Pisces	16:34	22:35	04:39	Naked Eye
Mars♂	Rising / Setting	1.0	5.6°	289°	Cancer	01:18	07:05	12:53	Naked Eye
Mercury☿	Optimal Visibility	0.4	76.1°	138°	Libra	06:48	13:07	19:25	Binoculars
Uranus♅	Below Horizon	5.6	-63.6°	296°	Taurus	20:21	02:10	07:55	Binoculars
Neptune♆	Below Horizon	7.8	-53.0°	105°	Pisces	16:03	22:05	04:11	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

RISES15:56

BEST TIME22:05N · 75° high

SETS03:31

Reaches about 75° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:50

BEST TIME07:40N · 65° high

SETS13:30

Reaches about 65° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:34

BEST TIME22:35N · 78° high

SETS04:39

Reaches about 78° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:27

BEST TIME11:42S · 83° high

SETS17:57

Reaches about 83° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:18

BEST TIME07:05N · 61° high

SETS12:53

Reaches about 61° 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.