OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.52°S, 76.74°WAmerica/Lima
Daylight+80.7°
11:13:29
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 6m of true darkness · 11h 32m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:05
Civil Dusk18:26
Nautical18:52
Full Dark19:17
Nadir23:51
Dark Ends04:24
Nautical04:49
Civil Dawn05:15
Sunrise05:36
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) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-66.1°
DISTANCE380,373 km
Moonrise15:58
Moonset03:33
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 -4.380.7°127°Libra05:2611:4418:01Naked Eye
Jupiter♃ Optimal Visibility -2.031.1°296°Leo01:5307:4213:30Naked Eye
Saturn♄ Below Horizon 0.3-75.9°142°Pisces16:3622:3604:41Naked Eye
Mars♂ Visible Low 1.022.2°295°Cancer01:2207:0712:53Naked Eye
Mercury☿ Optimal Visibility 0.461.1°111°Libra06:4713:0819:29Binoculars
Uranus♅ Below Horizon 5.6-46.6°287°Taurus20:2602:1207:54Binoculars
Neptune♆ Below Horizon 7.8-69.3°128°Pisces16:0522:0704:13Telescope
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
RISES15:58
BEST TIME22:07N · 73° high
SETS03:33
Reaches about 73° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:53
BEST TIME07:42N · 63° high
SETS13:30
Reaches about 63° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:36
BEST TIME22:36N · 76° high
SETS04:41
Reaches about 76° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:26
BEST TIME11:44S · 85° high
SETS18:01
Reaches about 85° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:22
BEST TIME07:07N · 60° high
SETS12:53
Reaches about 60° 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.