OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

16.99°N, 100.00°WAmerica/Mexico_City

Daylight+60.7°

11:57:16

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 56m of true darkness · 12h 22m total night

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

TRUE DARK SKY WINDOW

Sunset18:13

Civil Dusk18:35

Nautical19:00

Full Dark19:26

Nadir00:24

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-60.3°

DISTANCE379,985 km

Moonrise16:28

Moonset04:08

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	54.7°	172°	Libra	06:38	12:17	17:55	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	36.5°	276°	Leo	01:55	08:15	14:34	Naked Eye
Saturn♄	Below Horizon	0.3	-68.3°	32°	Pisces	17:06	23:09	05:17	Naked Eye
Mars♂	Visible Low	1.0	29.1°	281°	Cancer	01:15	07:40	14:05	Naked Eye
Mercury☿	Optimal Visibility	0.4	44.2°	145°	Libra	08:06	13:41	19:16	Binoculars
Uranus♅	Below Horizon	5.6	-33.9°	311°	Taurus	20:12	02:45	09:13	Binoculars
Neptune♆	Below Horizon	7.8	-64.9°	50°	Pisces	16:39	22:40	04:45	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

RISES16:28

BEST TIME22:43S · 78° high

SETS04:08

Reaches about 78° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:55

BEST TIME08:15S · 87° high

SETS14:34

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

RISES17:06

BEST TIME23:09S · 74° high

SETS05:17

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

RISES06:38

BEST TIME12:17S · 55° high

SETS17:55

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

RISES01:15

BEST TIME07:40N · 89° high

SETS14:05

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.