OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

18.06°N, 95.55°WAmerica/Mexico_City

Daylight+59.0°

11:29:25

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

Sunset17:54

Civil Dusk18:16

Nautical18:42

Full Dark19:07

Nadir00:06

Dark Ends05:05

Nautical05:30

Civil Dawn05:56

Sunrise06:18

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-61.4°

DISTANCE380,089 km

Moonrise16:09

Moonset03:49

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	53.2°	168°	Libra	06:22	11:59	17:36	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	39.0°	274°	Leo	01:36	07:57	14:18	Naked Eye
Saturn♄	Below Horizon	0.3	-68.5°	25°	Pisces	16:48	22:52	04:59	Naked Eye
Mars♂	Optimal Visibility	1.0	31.6°	280°	Cancer	00:56	07:22	13:49	Naked Eye
Mercury☿	Optimal Visibility	0.4	41.9°	143°	Libra	07:50	13:24	18:57	Binoculars
Uranus♅	Below Horizon	5.6	-31.4°	310°	Taurus	19:53	02:27	08:57	Binoculars
Neptune♆	Below Horizon	7.8	-66.0°	44°	Pisces	16:21	22:22	04:27	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

RISES16:09

BEST TIME22:24S · 76° high

SETS03:49

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

JupiterNaked Eye · High in the sky

RISES01:36

BEST TIME07:57S · 86° high

SETS14:18

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

RISES16:48

BEST TIME22:52S · 73° high

SETS04:59

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

RISES06:22

BEST TIME11:59S · 54° high

SETS17:36

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

RISES00:56

BEST TIME07:22S · 90° high

SETS13:49

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.