OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

8.19°S, 76.52°WAmerica/Lima

Daylight+86.6°

11:52:32

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 17m of true darkness · 11h 39m total night

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

TRUE DARK SKY WINDOW

Sunset18:00

Civil Dusk18:21

Nautical18:46

Full Dark19:11

Nadir23:50

Dark Ends04:28

Nautical04:53

Civil Dawn05:18

Sunrise05:39

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-58.4°

DISTANCE380,227 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	80.0°	192°	Libra	05:31	11:43	17:55	Naked Eye
Jupiter♃	Visible Low	-2.0	23.7°	290°	Leo	01:48	07:41	13:34	Naked Eye
Saturn♄	Below Horizon	0.3	-70.1°	109°	Pisces	16:35	22:36	04:40	Naked Eye
Mars♂	Visible Low	1.0	14.8°	291°	Cancer	01:15	07:06	12:58	Naked Eye
Mercury☿	Optimal Visibility	0.4	67.7°	127°	Libra	06:53	13:08	19:22	Binoculars
Uranus♅	Below Horizon	5.6	-54.3°	295°	Taurus	20:18	02:11	08:00	Binoculars
Neptune♆	Below Horizon	7.8	-62.4°	107°	Pisces	16:04	22:06	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 TIME22:06N · 77° high

SETS03:31

Reaches about 77° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:48

BEST TIME07:41N · 67° high

SETS13:34

Reaches about 67° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:35

BEST TIME22:36N · 80° high

SETS04:40

Reaches about 80° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:31

BEST TIME11:43S · 80° high

SETS17:55

Reaches about 80° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:15

BEST TIME07:06N · 64° high

SETS12:58

Reaches about 64° 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.