OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

26.19°N, 104.05°WAmerica/Mexico_City

Daylight+50.6°

11:54:50

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 5m of true darkness · 12h 39m total night

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

TRUE DARK SKY WINDOW

Sunset18:20

Civil Dusk18:44

Nautical19:11

Full Dark19:38

Nadir00:40

Dark Ends05:42

Nautical06:09

Civil Dawn06:36

Sunrise07:00

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-56.7°

DISTANCE379,994 km

Moonrise16:42

Moonset04:25

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	44.9°	167°	Libra	07:08	12:33	17:57	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	41.1°	267°	Leo	02:00	08:31	15:01	Naked Eye
Saturn♄	Below Horizon	0.3	-61.4°	14°	Pisces	17:21	23:25	05:34	Naked Eye
Mars♂	Optimal Visibility	1.0	34.7°	274°	Cancer	01:18	07:56	14:35	Naked Eye
Mercury☿	Optimal Visibility	0.4	34.2°	145°	Libra	08:39	13:57	19:16	Binoculars
Uranus♅	Below Horizon	5.6	-24.5°	312°	Taurus	20:12	03:01	09:46	Binoculars
Neptune♆	Below Horizon	7.8	-60.6°	30°	Pisces	16:55	22:56	05:01	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

RISES16:42

BEST TIME22:59S · 68° high

SETS04:25

Reaches about 68° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES02:00

BEST TIME08:31S · 78° high

SETS15:01

Reaches about 78° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES17:21

BEST TIME23:25S · 65° high

SETS05:34

Reaches about 65° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES07:08

BEST TIME12:33S · 46° high

SETS17:57

Reaches about 46° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:18

BEST TIME07:56S · 82° high

SETS14:35

Reaches about 82° 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.