OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

16.70°N, 92.74°WAmerica/Mexico_City

Daylight+54.9°

10:30:54

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 56m of true darkness · 12h 21m total night

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

TRUE DARK SKY WINDOW

Sunset17:44

Civil Dusk18:06

Nautical18:31

Full Dark18:57

Nadir23:55

Dark Ends04:53

Nautical05:18

Civil Dawn05:44

Sunrise06:06

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE-69.5°

DISTANCE380,308 km

Moonrise15:58

Moonset03:38

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	50.4°	150°	Libra	06:09	11:48	17:26	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	50.2°	273°	Leo	01:26	07:46	14:05	Naked Eye
Saturn♄	Below Horizon	0.3	-71.5°	350°	Pisces	16:37	22:45	04:48	Naked Eye
Mars♂	Optimal Visibility	1.0	42.5°	279°	Cancer	00:47	07:11	13:35	Naked Eye
Mercury☿	Optimal Visibility	0.4	35.2°	132°	Libra	07:37	13:12	18:48	Binoculars
Uranus♅	Below Horizon	5.6	-23.0°	303°	Taurus	19:44	02:16	08:44	Binoculars
Neptune♆	Below Horizon	7.8	-73.0°	15°	Pisces	16:10	22:11	04:16	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

RISES15:58

BEST TIME22:13S · 78° high

SETS03:38

Reaches about 78° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:26

BEST TIME07:46S · 88° high

SETS14:05

Reaches about 88° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:37

BEST TIME22:45S · 75° high

SETS04:48

Reaches about 75° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:09

BEST TIME11:48S · 55° high

SETS17:26

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

RISES00:47

BEST TIME07:11N · 89° high

SETS13:35

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.