OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

11.73°S, 75.55°WAmerica/Lima
Daylight+84.2°
12:10:02
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 8m of true darkness · 11h 33m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:59
Civil Dusk18:21
Nautical18:46
Full Dark19:12
Nadir23:46
Dark Ends04:20
Nautical04:46
Civil Dawn05:11
Sunrise05:32
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) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-52.7°
DISTANCE380,161 km
Moonrise15:53
Moonset03:28
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 -4.380.3°229°Libra05:2311:3917:55Naked Eye
Jupiter♃ Visible Low -2.017.5°289°Leo01:4807:3713:26Naked Eye
Saturn♄ Below Horizon 0.3-63.9°112°Pisces16:3222:3204:36Naked Eye
Mars♂ Rising / Setting 1.08.7°290°Cancer01:1607:0312:49Naked Eye
Mercury☿ Optimal Visibility 0.474.1°127°Libra06:4413:0419:23Binoculars
Uranus♅ Below Horizon 5.6-60.6°292°Taurus20:2002:0707:50Binoculars
Neptune♆ Below Horizon 7.8-56.3°109°Pisces16:0022:0204:08Telescope
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
RISES15:53
BEST TIME22:02N · 74° high
SETS03:28
Reaches about 74° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:48
BEST TIME07:37N · 64° high
SETS13:26
Reaches about 64° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:32
BEST TIME22:32N · 77° high
SETS04:36
Reaches about 77° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:23
BEST TIME11:39S · 84° high
SETS17:55
Reaches about 84° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:16
BEST TIME07:03N · 60° high
SETS12:49
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.