OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

15.57°N, 89.97°WAmerica/Guatemala

Daylight+57.4°

12:57:01

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 55m of true darkness · 12h 19m total night

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

TRUE DARK SKY WINDOW

Sunset17:34

Civil Dusk17:56

Nautical18:21

Full Dark18:46

Nadir23:44

Dark Ends04:41

Nautical05:06

Civil Dawn05:32

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-39.7°

DISTANCE379,761 km

Moonrise15:47

Moonset03:26

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	51.1°	211°	Libra	05:56	11:37	17:17	Naked Eye
Jupiter♃	Visible Low	-2.0	12.6°	282°	Leo	01:17	07:35	13:52	Naked Eye
Saturn♄	Below Horizon	0.3	-49.9°	68°	Pisces	16:26	22:29	04:36	Naked Eye
Mars♂	Rising / Setting	1.0	5.6°	287°	Cancer	00:36	07:00	13:23	Naked Eye
Mercury☿	Optimal Visibility	0.4	53.5°	178°	Libra	07:24	13:01	18:38	Binoculars
Uranus♅	Below Horizon	5.6	-49.7°	336°	Taurus	19:35	02:05	08:31	Binoculars
Neptune♆	Below Horizon	7.8	-43.8°	75°	Pisces	15:59	22:00	04:05	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

RISES15:47

BEST TIME22:01S · 79° high

SETS03:26

Reaches about 79° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:17

BEST TIME07:35S · 89° high

SETS13:52

Reaches about 89° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:26

BEST TIME22:29S · 76° high

SETS04:36

Reaches about 76° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:56

BEST TIME11:37S · 57° high

SETS17:17

Reaches about 57° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:36

BEST TIME07:00N · 88° high

SETS13:23

Reaches about 88° 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.