OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

15.56°N, 92.32°WAmerica/Mexico_City
Daylight+60.1°
12:43:42
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
Sunset17:43
Civil Dusk18:05
Nautical18:31
Full Dark18:56
Nadir23:53
Dark Ends04:50
Nautical05:16
Civil Dawn05:41
Sunrise06:03
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-44.8°
DISTANCE379,811 km
Moonrise15:57
Moonset03:36
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 -4.353.6°203°Libra06:0611:4617:26Naked Eye
Jupiter♃ Visible Low -2.018.0°280°Leo01:2607:4414:02Naked Eye
Saturn♄ Below Horizon 0.3-55.0°64°Pisces16:3622:3904:46Naked Eye
Mars♂ Visible Low 1.010.8°286°Cancer00:4707:1013:32Naked Eye
Mercury☿ Optimal Visibility 0.452.9°169°Libra07:3313:1118:48Binoculars
Uranus♅ Below Horizon 5.6-47.1°328°Taurus19:4402:1408:40Binoculars
Neptune♆ Below Horizon 7.8-49.1°72°Pisces16:0822:0904:14Telescope
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
RISES15:57
BEST TIME22:11S · 79° high
SETS03:36
Reaches about 79° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:26
BEST TIME07:44S · 89° high
SETS14:02
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
RISES16:36
BEST TIME22:39S · 76° high
SETS04:46
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
RISES06:06
BEST TIME11:46S · 57° high
SETS17:26
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
RISES00:47
BEST TIME07:10N · 88° high
SETS13:32
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

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.