OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

16.56°N, 94.61°WAmerica/Mexico_City
Daylight+60.0°
12:44:08
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
Sunset17:52
Civil Dusk18:14
Nautical18:39
Full Dark19:04
Nadir00:02
Dark Ends05:00
Nautical05:26
Civil Dawn05:51
Sunrise06:13
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Vega Arcturus Altair Spica Antares Deneb Venus (-4.3) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-46.4°
DISTANCE379,809 km
Moonrise16:06
Moonset03:46
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

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Optimal Visibility -4.353.5°200°Libra06:1611:5517:34Naked Eye
Jupiter♃ Visible Low -2.020.2°280°Leo01:3407:5314:12Naked Eye
Saturn♄ Below Horizon 0.3-56.4°60°Pisces16:4522:4804:55Naked Eye
Mars♂ Visible Low 1.013.1°285°Cancer00:5507:1913:43Naked Eye
Mercury☿ Optimal Visibility 0.451.5°166°Libra07:4413:2018:55Binoculars
Uranus♅ Below Horizon 5.6-45.1°327°Taurus19:5102:2308:51Binoculars
Neptune♆ Below Horizon 7.8-50.8°69°Pisces16:1722:1804:23Telescope
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
RISES16:06
BEST TIME22:20S · 78° high
SETS03:46
Reaches about 78° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:34
BEST TIME07:53S · 88° high
SETS14:12
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
RISES16:45
BEST TIME22:48S · 75° high
SETS04:55
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
RISES06:16
BEST TIME11:55S · 56° high
SETS17:34
Reaches about 56° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:55
BEST TIME07:19N · 89° high
SETS13:43
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

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.