OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

18.90°N, 96.23°WAmerica/Mexico_City

Daylight+59.2°

11:52:51

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 58m of true darkness · 12h 25m total night

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

TRUE DARK SKY WINDOW

Sunset17:56

Civil Dusk18:18

Nautical18:44

Full Dark19:10

Nadir00:09

Dark Ends05:08

Nautical05:33

Civil Dawn05:59

Sunrise06:21

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-57.1°

DISTANCE380,001 km

Moonrise16:12

Moonset03:52

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	53.1°	176°	Libra	06:26	12:02	17:37	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	34.2°	275°	Leo	01:38	08:00	14:21	Naked Eye
Saturn♄	Below Horizon	0.3	-65.3°	36°	Pisces	16:51	22:54	05:02	Naked Eye
Mars♂	Visible Low	1.0	27.0°	281°	Cancer	00:58	07:25	13:53	Naked Eye
Mercury☿	Optimal Visibility	0.4	44.0°	149°	Libra	07:55	13:26	18:58	Binoculars
Uranus♅	Below Horizon	5.6	-34.5°	314°	Taurus	19:54	02:30	09:01	Binoculars
Neptune♆	Below Horizon	7.8	-61.7°	51°	Pisces	16:24	22:25	04:29	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

RISES16:12

BEST TIME22:27S · 76° high

SETS03:52

Reaches about 76° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:38

BEST TIME08:00S · 86° high

SETS14:21

Reaches about 86° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:51

BEST TIME22:54S · 73° high

SETS05:02

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

RISES06:26

BEST TIME12:02S · 53° high

SETS17:37

Reaches about 53° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:58

BEST TIME07:25S · 89° high

SETS13:53

Reaches about 89° 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.