OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

19.42°N, 98.16°WAmerica/Mexico_City

Daylight+58.6°

11:57:52

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 59m of true darkness · 12h 26m total night

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

TRUE DARK SKY WINDOW

Sunset18:03

Civil Dusk18:26

Nautical18:51

Full Dark19:17

Nadir00:17

Dark Ends05:16

Nautical05:42

Civil Dawn06:07

Sunrise06:30

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-57.3°

DISTANCE379,982 km

Moonrise16:20

Moonset04:00

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	52.5°	175°	Libra	06:35	12:09	17:44	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	34.9°	274°	Leo	01:45	08:07	14:30	Naked Eye
Saturn♄	Below Horizon	0.3	-65.2°	34°	Pisces	16:59	23:02	05:09	Naked Eye
Mars♂	Visible Low	1.0	27.7°	281°	Cancer	01:05	07:33	14:01	Naked Eye
Mercury☿	Optimal Visibility	0.4	43.2°	148°	Libra	08:03	13:34	19:05	Binoculars
Uranus♅	Below Horizon	5.6	-33.6°	314°	Taurus	20:01	02:37	09:10	Binoculars
Neptune♆	Below Horizon	7.8	-61.9°	49°	Pisces	16:31	22:32	04:37	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

RISES16:20

BEST TIME22:35S · 75° high

SETS04:00

Reaches about 75° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:45

BEST TIME08:07S · 85° high

SETS14:30

Reaches about 85° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:59

BEST TIME23:02S · 72° high

SETS05:09

Reaches about 72° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:35

BEST TIME12:09S · 53° high

SETS17:44

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

RISES01:05

BEST TIME07:33S · 89° high

SETS14:01

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.