OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

20.76°N, 88.93°WAmerica/Merida

Daylight+55.8°

12:25:25

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 0m of true darkness · 12h 29m total night

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

TRUE DARK SKY WINDOW

Sunset17:25

Civil Dusk17:48

Nautical18:14

Full Dark18:40

Nadir23:40

Dark Ends04:40

Nautical05:05

Civil Dawn05:31

Sunrise05:54

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-43.8°

DISTANCE379,879 km

Moonrise15:41

Moonset03:22

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/Merida

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	49.2°	199°	Libra	06:00	11:32	17:05	Naked Eye
Jupiter♃	Visible Low	-2.0	20.0°	278°	Leo	01:06	07:30	13:54	Naked Eye
Saturn♄	Below Horizon	0.3	-53.3°	56°	Pisces	16:22	22:25	04:33	Naked Eye
Mars♂	Visible Low	1.0	13.2°	284°	Cancer	00:26	06:56	13:26	Naked Eye
Mercury☿	Optimal Visibility	0.4	47.6°	169°	Libra	07:29	12:57	18:26	Binoculars
Uranus♅	Below Horizon	5.6	-42.1°	330°	Taurus	19:21	02:00	08:35	Binoculars
Neptune♆	Below Horizon	7.8	-48.3°	65°	Pisces	15:55	21:55	04:00	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

RISES15:41

BEST TIME21:57S · 74° high

SETS03:22

Reaches about 74° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:06

BEST TIME07:30S · 84° high

SETS13:54

Reaches about 84° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:22

BEST TIME22:25S · 71° high

SETS04:33

Reaches about 71° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:00

BEST TIME11:32S · 51° high

SETS17:05

Reaches about 51° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:26

BEST TIME06:56S · 87° high

SETS13:26

Reaches about 87° 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.