OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

21.11°N, 89.40°WAmerica/Merida

Daylight+57.3°

11:37:46

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 0m of true darkness · 12h 30m total night

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

TRUE DARK SKY WINDOW

Sunset17:27

Civil Dusk17:49

Nautical18:15

Full Dark18:41

Nadir23:41

Dark Ends04:42

Nautical05:08

Civil Dawn05:34

Sunrise05:56

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-53.5°

DISTANCE380,057 km

Moonrise15:43

Moonset03:24

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	50.9°	181°	Libra	06:02	11:34	17:07	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	31.5°	274°	Leo	01:08	07:32	13:57	Naked Eye
Saturn♄	Below Horizon	0.3	-61.7°	39°	Pisces	16:23	22:27	04:35	Naked Eye
Mars♂	Visible Low	1.0	24.6°	281°	Cancer	00:27	06:58	13:29	Naked Eye
Mercury☿	Optimal Visibility	0.4	43.5°	153°	Libra	07:31	12:59	18:27	Binoculars
Uranus♅	Below Horizon	5.6	-34.9°	318°	Taurus	19:23	02:02	08:38	Binoculars
Neptune♆	Below Horizon	7.8	-58.1°	52°	Pisces	15:57	21:57	04:02	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

RISES15:43

BEST TIME21:59S · 73° high

SETS03:24

Reaches about 73° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:08

BEST TIME07:32S · 83° high

SETS13:57

Reaches about 83° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:23

BEST TIME22:27S · 70° high

SETS04:35

Reaches about 70° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES06:02

BEST TIME11:34S · 51° high

SETS17:07

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

RISES00:27

BEST TIME06:58S · 87° high

SETS13:29

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.