OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

42.60°S, 73.67°WAmerica/Santiago
Daylight+58.8°
13:52:57
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM6h 53m of true darkness · 10h 22m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset20:27
Civil Dusk20:57
Nautical21:33
Full Dark22:11
Nadir01:38
Dark Ends05:05
Nautical05:43
Civil Dawn06:20
Sunrise06:49
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Arcturus Spica Antares Venus (-4.3) Jupiter (-2.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-39.3°
DISTANCE380,225 km
Moonrise17:54
Moonset05:21
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 -4.365.0°348°Libra06:2013:3220:42Naked Eye
Jupiter♃ Rising / Setting -2.07.2°297°Leo04:2209:3014:37Naked Eye
Saturn♄ Below Horizon 0.3-44.2°149°Pisces18:2700:2406:25Naked Eye
Mars♂ Below Horizon 1.0-0.5°294°Cancer04:0108:5513:49Naked Eye
Mercury☿ Optimal Visibility 0.464.5°37°Libra07:3114:5622:21Binoculars
Uranus♅ Below Horizon 5.6-55.8°240°Taurus23:1504:0008:40Binoculars
Neptune♆ Below Horizon 7.8-39.3°141°Pisces17:5123:5506:02Telescope
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
RISES17:54
BEST TIME23:54N · 42° high
SETS05:21
Reaches about 42° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · Good height
RISES04:22
BEST TIME09:30N · 33° high
SETS14:37
Reaches about 33° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES18:27
BEST TIME00:24N · 46° high
SETS06:25
Reaches about 46° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES06:20
BEST TIME13:32N · 65° high
SETS20:42
Reaches about 65° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · Good height
RISES04:01
BEST TIME08:55N · 30° high
SETS13:49
Reaches about 30° 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.