OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

18.07°N, 98.31°WAmerica/Mexico_City

Daylight+56.6°

11:15:24

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 57m of true darkness · 12h 24m total night

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

TRUE DARK SKY WINDOW

Sunset18:05

Civil Dusk18:27

Nautical18:53

Full Dark19:18

Nadir00:17

Dark Ends05:16

Nautical05:41

Civil Dawn06:07

Sunrise06:29

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-65.4°

DISTANCE380,141 km

Moonrise16:20

Moonset04:01

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	51.5°	159°	Libra	06:33	12:10	17:47	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	45.0°	273°	Leo	01:47	08:08	14:29	Naked Eye
Saturn♄	Below Horizon	0.3	-70.2°	8°	Pisces	16:59	23:03	05:10	Naked Eye
Mars♂	Optimal Visibility	1.0	37.5°	279°	Cancer	01:07	07:33	14:00	Naked Eye
Mercury☿	Optimal Visibility	0.4	38.1°	137°	Libra	08:01	13:34	19:08	Binoculars
Uranus♅	Below Horizon	5.6	-26.6°	306°	Taurus	20:04	02:38	09:08	Binoculars
Neptune♆	Below Horizon	7.8	-69.6°	30°	Pisces	16:32	22:33	04:38	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 TIME22:36S · 76° high

SETS04:01

Reaches about 76° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:47

BEST TIME08:08S · 86° high

SETS14:29

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

RISES16:59

BEST TIME23:03S · 73° high

SETS05:10

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

RISES06:33

BEST TIME12:10S · 54° high

SETS17:47

Reaches about 54° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:07

BEST TIME07:33S · 90° high

SETS14:00

Reaches about 90° 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.