OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

18.96°N, 99.70°WAmerica/Mexico_City

Daylight+59.3°

12:34:27

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 58m of true darkness · 12h 26m total night

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

TRUE DARK SKY WINDOW

Sunset18:10

Civil Dusk18:32

Nautical18:58

Full Dark19:23

Nadir00:23

Dark Ends05:22

Nautical05:47

Civil Dawn06:13

Sunrise06:35

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-51.8°

DISTANCE379,846 km

Moonrise16:26

Moonset04:07

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	52.8°	187°	Libra	06:40	12:15	17:51	Naked Eye
Jupiter♃	Visible Low	-2.0	27.6°	277°	Leo	01:52	08:13	14:35	Naked Eye
Saturn♄	Below Horizon	0.3	-60.8°	48°	Pisces	17:05	23:08	05:16	Naked Eye
Mars♂	Visible Low	1.0	20.6°	283°	Cancer	01:11	07:39	14:06	Naked Eye
Mercury☿	Optimal Visibility	0.4	47.0°	157°	Libra	08:08	13:40	19:12	Binoculars
Uranus♅	Below Horizon	5.6	-38.9°	320°	Taurus	20:08	02:43	09:15	Binoculars
Neptune♆	Below Horizon	7.8	-56.2°	60°	Pisces	16:38	22:38	04:43	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

RISES16:26

BEST TIME22:41S · 76° high

SETS04:07

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

JupiterNaked Eye · High in the sky

RISES01:52

BEST TIME08:13S · 85° high

SETS14:35

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

RISES17:05

BEST TIME23:08S · 72° high

SETS05:16

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

RISES06:40

BEST TIME12:15S · 53° high

SETS17:51

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

RISES01:11

BEST TIME07:39S · 89° high

SETS14:06

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.