OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

16.39°N, 93.87°WAmerica/Mexico_City
Daylight+52.9°
10:21:02
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
Sunset17:49
Civil Dusk18:11
Nautical18:36
Full Dark19:01
Nadir23:59
Dark Ends04:57
Nautical05:22
Civil Dawn05:48
Sunrise06:10
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Sirius Vega Arcturus Capella Spica Antares Venus (-4.3) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-71.2°
DISTANCE380,345 km
Moonrise16:03
Moonset03:42
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 -4.348.8°146°Libra06:1311:5217:31Naked Eye
Jupiter♃ Optimal Visibility -2.053.7°272°Leo01:3107:5014:09Naked Eye
Saturn♄ Below Horizon 0.3-70.9°339°Pisces16:4222:4904:52Naked Eye
Mars♂ Optimal Visibility 1.045.9°279°Cancer00:5207:1613:40Naked Eye
Mercury☿ Optimal Visibility 0.432.8°129°Libra07:4113:1718:53Binoculars
Uranus♅ Below Horizon 5.6-20.2°301°Taurus19:4902:2008:47Binoculars
Neptune♆ Below Horizon 7.8-73.9°3°Pisces16:1422:1504:20Telescope
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
RISES16:03
BEST TIME22:17S · 78° high
SETS03:42
Reaches about 78° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:31
BEST TIME07:50S · 88° high
SETS14:09
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
RISES16:42
BEST TIME22:49S · 75° high
SETS04:52
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
RISES06:13
BEST TIME11:52S · 56° high
SETS17:31
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
RISES00:52
BEST TIME07:16N · 89° high
SETS13:40
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.