OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

13.98°N, 90.21°WAmerica/Guatemala

Daylight+63.0°

12:19:42

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 53m of true darkness · 12h 17m total night

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

TRUE DARK SKY WINDOW

Sunset17:36

Civil Dusk17:58

Nautical18:23

Full Dark18:48

Nadir23:45

Dark Ends04:41

Nautical05:06

Civil Dawn05:31

Sunrise05:53

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-48.7°

DISTANCE379,901 km

Moonrise15:48

Moonset03:27

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/Guatemala

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	56.4°	198°	Libra	05:55	11:38	17:20	Naked Eye
Jupiter♃	Visible Low	-2.0	21.4°	280°	Leo	01:19	07:35	13:52	Naked Eye
Saturn♄	Below Horizon	0.3	-59.1°	62°	Pisces	16:28	22:30	04:37	Naked Eye
Mars♂	Visible Low	1.0	14.0°	285°	Cancer	00:41	07:01	13:21	Naked Eye
Mercury☿	Optimal Visibility	0.4	53.5°	163°	Libra	07:22	13:02	18:42	Binoculars
Uranus♅	Below Horizon	5.6	-46.3°	323°	Taurus	19:38	02:06	08:29	Binoculars
Neptune♆	Below Horizon	7.8	-53.2°	71°	Pisces	16:00	22:01	04:06	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

RISES15:48

BEST TIME22:02S · 80° high

SETS03:27

Reaches about 80° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:19

BEST TIME07:35N · 90° high

SETS13:52

Reaches about 90° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:28

BEST TIME22:30S · 77° high

SETS04:37

Reaches about 77° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:55

BEST TIME11:38S · 58° high

SETS17:20

Reaches about 58° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:41

BEST TIME07:01N · 86° high

SETS13:21

Reaches about 86° 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.