OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

17.18°N, 98.71°WAmerica/Mexico_City
Daylight+58.7°
11:29:33
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 57m of true darkness · 12h 22m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:07
Civil Dusk18:30
Nautical18:55
Full Dark19:20
Nadir00:19
Dark Ends05:17
Nautical05:42
Civil Dawn06:08
Sunrise06:30
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 Spica Antares Venus (-4.3) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-64.1°
DISTANCE380,088 km
Moonrise16:22
Moonset04:03
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 -4.353.3°163°Libra06:3412:1117:50Naked Eye
Jupiter♃ Optimal Visibility -2.041.9°274°Leo01:5008:0914:29Naked Eye
Saturn♄ Below Horizon 0.3-70.4°17°Pisces17:0123:0405:11Naked Eye
Mars♂ Optimal Visibility 1.034.4°280°Cancer01:1007:3514:00Naked Eye
Mercury☿ Optimal Visibility 0.440.8°139°Libra08:0213:3619:11Binoculars
Uranus♅ Below Horizon 5.6-29.6°308°Taurus20:0702:3909:08Binoculars
Neptune♆ Below Horizon 7.8-68.6°39°Pisces16:3422:3404:39Telescope
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
RISES16:22
BEST TIME22:37S · 77° high
SETS04:03
Reaches about 77° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:50
BEST TIME08:09S · 87° high
SETS14:29
Reaches about 87° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES17:01
BEST TIME23:04S · 74° high
SETS05:11
Reaches about 74° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES06:34
BEST TIME12:11S · 55° high
SETS17:50
Reaches about 55° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:10
BEST TIME07:35N · 89° high
SETS14:00
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.