OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

36.74°S, 73.00°WAmerica/Santiago
Daylight+49.1°
15:59:50
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM7h 34m of true darkness · 10h 40m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset20:16
Civil Dusk20:43
Nautical21:15
Full Dark21:49
Nadir01:35
Dark Ends05:22
Nautical05:56
Civil Dawn06:28
Sunrise06:55
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Vega Arcturus Altair Spica Antares Venus (-4.3) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-21.1°
DISTANCE379,751 km
Moonrise17:49
Moonset05:18
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 -4.351.9°289°Libra06:3113:2920:26Naked Eye
Jupiter♃ Below Horizon -2.0-14.6°277°Leo04:0909:2714:45Naked Eye
Saturn♄ Below Horizon 0.3-28.6°112°Pisces18:2400:2206:23Naked Eye
Mars♂ Below Horizon 1.0-23.4°275°Cancer03:4308:5213:59Naked Eye
Mercury☿ Optimal Visibility 0.468.7°313°Libra07:4514:5322:02Binoculars
Uranus♅ Below Horizon 5.6-74.1°176°Taurus22:5703:5308:53Binoculars
Neptune♆ Below Horizon 7.8-21.7°108°Pisces17:4923:5205:59Telescope
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
RISES17:49
BEST TIME23:51N · 48° high
SETS05:18
Reaches about 48° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · Good height
RISES04:09
BEST TIME09:27N · 39° high
SETS14:45
Reaches about 39° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES18:24
BEST TIME00:22N · 52° high
SETS06:23
Reaches about 52° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES06:31
BEST TIME13:29N · 71° high
SETS20:26
Reaches about 71° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · Good height
RISES03:43
BEST TIME08:52N · 35° high
SETS13:59
Reaches about 35° 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.