OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

21.64°N, 98.87°WAmerica/Mexico_City

Daylight+46.4°

10:24:29

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 1m of true darkness · 12h 31m total night

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

TRUE DARK SKY WINDOW

Sunset18:04

Civil Dusk18:27

Nautical18:53

Full Dark19:19

Nadir00:19

Dark Ends05:20

Nautical05:46

Civil Dawn06:12

Sunrise06:35

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-66.9°

DISTANCE380,332 km

Moonrise16:22

Moonset04:03

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	42.3°	144°	Libra	06:41	12:12	17:44	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	57.4°	263°	Leo	01:45	08:10	14:35	Naked Eye
Saturn♄	Below Horizon	0.3	-64.5°	334°	Pisces	17:01	23:09	05:13	Naked Eye
Mars♂	Optimal Visibility	1.0	50.3°	272°	Cancer	01:04	07:36	14:07	Naked Eye
Mercury☿	Visible Low	0.4	26.5°	129°	Libra	08:10	13:37	19:04	Binoculars
Uranus♅	Below Horizon	5.6	-14.1°	300°	Taurus	19:59	02:40	09:17	Binoculars
Neptune♆	Below Horizon	7.8	-68.4°	351°	Pisces	16:34	22:39	04:40	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

RISES16:22

BEST TIME22:38S · 73° high

SETS04:03

Reaches about 73° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:45

BEST TIME08:10S · 83° high

SETS14:35

Reaches about 83° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:01

BEST TIME23:09S · 70° high

SETS05:13

Reaches about 70° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:41

BEST TIME12:12S · 50° high

SETS17:44

Reaches about 50° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:04

BEST TIME07:36S · 86° high

SETS14:07

Reaches about 86° 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.