OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

19.11°N, 96.64°WAmerica/Mexico_City
Daylight+52.3°
10:41:32
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 59m of true darkness · 12h 26m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:57
Civil Dusk18:20
Nautical18:45
Full Dark19:11
Nadir00:10
Dark Ends05:10
Nautical05:35
Civil Dawn06:01
Sunrise06:23
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-67.8°
DISTANCE380,268 km
Moonrise16:13
Moonset03:54
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 -4.347.7°150°Libra06:2812:0317:39Naked Eye
Jupiter♃ Optimal Visibility -2.051.4°269°Leo01:3908:0114:23Naked Eye
Saturn♄ Below Horizon 0.3-68.9°348°Pisces16:5323:0005:03Naked Eye
Mars♂ Optimal Visibility 1.044.0°277°Cancer00:5907:2713:54Naked Eye
Mercury☿ Optimal Visibility 0.432.8°132°Libra07:5713:2818:59Binoculars
Uranus♅ Below Horizon 5.6-20.7°303°Taurus19:5502:3109:03Binoculars
Neptune♆ Below Horizon 7.8-70.9°10°Pisces16:2522:2604:31Telescope
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
RISES16:13
BEST TIME22:29S · 75° high
SETS03:54
Reaches about 75° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:39
BEST TIME08:01S · 85° high
SETS14:23
Reaches about 85° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:53
BEST TIME23:00S · 72° high
SETS05:03
Reaches about 72° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES06:28
BEST TIME12:03S · 53° high
SETS17:39
Reaches about 53° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:59
BEST TIME07:27S · 89° high
SETS13:54
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.