OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

17.23°N, 93.16°WAmerica/Mexico_City

Daylight+58.5°

12:48:31

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 57m of true darkness · 12h 22m total night

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

TRUE DARK SKY WINDOW

Sunset17:45

Civil Dusk18:07

Nautical18:33

Full Dark18:58

Nadir23:57

Dark Ends04:55

Nautical05:20

Civil Dawn05:46

Sunrise06:08

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-43.9°

DISTANCE379,793 km

Moonrise16:00

Moonset03:40

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	51.9°	203°	Libra	06:12	11:49	17:27	Naked Eye
Jupiter♃	Visible Low	-2.0	18.0°	280°	Leo	01:27	07:47	14:07	Naked Eye
Saturn♄	Below Horizon	0.3	-53.9°	62°	Pisces	16:39	22:42	04:49	Naked Eye
Mars♂	Visible Low	1.0	10.9°	286°	Cancer	00:46	07:13	13:38	Naked Eye
Mercury☿	Optimal Visibility	0.4	51.3°	170°	Libra	07:40	13:14	18:48	Binoculars
Uranus♅	Below Horizon	5.6	-45.9°	330°	Taurus	19:44	02:17	08:46	Binoculars
Neptune♆	Below Horizon	7.8	-48.2°	70°	Pisces	16:11	22:12	04:17	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

RISES16:00

BEST TIME22:14S · 77° high

SETS03:40

Reaches about 77° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:27

BEST TIME07:47S · 87° high

SETS14:07

Reaches about 87° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:39

BEST TIME22:42S · 74° high

SETS04:49

Reaches about 74° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:12

BEST TIME11:49S · 55° high

SETS17:27

Reaches about 55° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:46

BEST TIME07:13N · 89° high

SETS13:38

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.