OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

16.22°N, 93.95°WAmerica/Mexico_City

Daylight+61.6°

11:37:01

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 56m of true darkness · 12h 21m total night

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

TRUE DARK SKY WINDOW

Sunset17:49

Civil Dusk18:11

Nautical18:37

Full Dark19:02

Nadir00:00

Dark Ends04:57

Nautical05:23

Civil Dawn05:48

Sunrise06:10

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-59.9°

DISTANCE380,060 km

Moonrise16:03

Moonset03:43

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/Mexico_City

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	55.6°	173°	Libra	06:13	11:52	17:32	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	35.5°	276°	Leo	01:32	07:50	14:09	Naked Eye
Saturn♄	Below Horizon	0.3	-68.4°	36°	Pisces	16:42	22:45	04:52	Naked Eye
Mars♂	Visible Low	1.0	28.0°	282°	Cancer	00:52	07:16	13:40	Naked Eye
Mercury☿	Optimal Visibility	0.4	45.4°	146°	Libra	07:41	13:17	18:53	Binoculars
Uranus♅	Below Horizon	5.6	-35.1°	312°	Taurus	19:49	02:20	08:47	Binoculars
Neptune♆	Below Horizon	7.8	-64.7°	53°	Pisces	16:15	22:15	04:20	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

RISES16:03

BEST TIME22:18S · 78° high

SETS03:43

Reaches about 78° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:32

BEST TIME07:50S · 88° high

SETS14:09

Reaches about 88° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:42

BEST TIME22:45S · 75° high

SETS04:52

Reaches about 75° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:13

BEST TIME11:52S · 56° high

SETS17:32

Reaches about 56° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:52

BEST TIME07:16N · 88° high

SETS13:40

Reaches about 88° 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.