OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

15.51°S, 71.49°WAmerica/Lima

Daylight+66.4°

13:05:55

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM8h 59m of true darkness · 11h 26m total night

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

TRUE DARK SKY WINDOW

Sunset17:46

Civil Dusk18:08

Nautical18:34

Full Dark19:00

Nadir23:30

Dark Ends03:59

Nautical04:25

Civil Dawn04:51

Sunrise05:13

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-35.4°

DISTANCE379,952 km

Moonrise15:37

Moonset03:11

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	65.3°	261°	Libra	05:01	11:23	17:44	Naked Eye
Jupiter♃	Rising / Setting	-2.0	0.1°	285°	Leo	01:36	07:21	13:06	Naked Eye
Saturn♄	Below Horizon	0.3	-45.9°	105°	Pisces	16:16	22:16	04:19	Naked Eye
Mars♂	Below Horizon	1.0	-8.6°	286°	Cancer	01:03	06:46	12:28	Naked Eye
Mercury☿	Optimal Visibility	0.4	83.1°	217°	Libra	06:22	12:47	19:13	Binoculars
Uranus♅	Below Horizon	5.6	-78.2°	300°	Taurus	20:10	01:51	07:28	Binoculars
Neptune♆	Below Horizon	7.8	-38.2°	103°	Pisces	15:44	21:46	03:52	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

RISES15:37

BEST TIME21:45N · 70° high

SETS03:11

Reaches about 70° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:36

BEST TIME07:21N · 60° high

SETS13:06

Reaches about 60° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:16

BEST TIME22:16N · 73° high

SETS04:19

Reaches about 73° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:01

BEST TIME11:23S · 88° high

SETS17:44

Reaches about 88° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:03

BEST TIME06:46N · 57° high

SETS12:28

Reaches about 57° 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.