OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

43.62°S, 71.80°WAmerica/Santiago
Daylight+56.5°
14:17:37
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM6h 45m of true darkness · 10h 19m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset20:21
Civil Dusk20:52
Nautical21:28
Full Dark22:08
Nadir01:31
Dark Ends04:53
Nautical05:33
Civil Dawn06:10
Sunrise06:40
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Arcturus Altair Spica Antares Venus (-4.3) Jupiter (-2.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-34.3°
DISTANCE380,133 km
Moonrise17:46
Moonset05:14
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 -4.362.0°332°Libra06:1013:2420:38Naked Eye
Jupiter♃ Rising / Setting -2.01.6°291°Leo04:1609:2214:28Naked Eye
Saturn♄ Below Horizon 0.3-39.9°140°Pisces18:2000:1706:18Naked Eye
Mars♂ Below Horizon 1.0-6.4°288°Cancer03:5608:4813:39Naked Eye
Mercury☿ Optimal Visibility 0.466.4°19°Libra07:2114:4922:17Binoculars
Uranus♅ Below Horizon 5.6-60.0°228°Taurus23:1103:5208:29Binoculars
Neptune♆ Below Horizon 7.8-34.5°133°Pisces17:4423:4705:55Telescope
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 · Good height
RISES17:46
BEST TIME23:46N · 41° high
SETS05:14
Reaches about 41° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · Good height
RISES04:16
BEST TIME09:22N · 32° high
SETS14:28
Reaches about 32° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · Good height
RISES18:20
BEST TIME00:17N · 45° high
SETS06:18
Reaches about 45° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES06:10
BEST TIME13:24N · 64° high
SETS20:38
Reaches about 64° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · Good height
RISES03:56
BEST TIME08:48N · 29° high
SETS13:39
Reaches about 29° 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.