OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

10.37°S, 71.58°WAmerica/Lima
Daylight+83.3°
11:57:37
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 12m of true darkness · 11h 36m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:42
Civil Dusk18:04
Nautical18:29
Full Dark18:54
Nadir23:30
Dark Ends04:06
Nautical04:31
Civil Dawn04:56
Sunrise05:18
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-52.1°
DISTANCE380,208 km
Moonrise15:36
Moonset03:11
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 -4.378.8°226°Libra05:0911:2317:38Naked Eye
Jupiter♃ Visible Low -2.017.2°289°Leo01:3007:2113:12Naked Eye
Saturn♄ Below Horizon 0.3-63.5°108°Pisces16:1622:1604:20Naked Eye
Mars♂ Rising / Setting 1.08.4°290°Cancer00:5806:4712:35Naked Eye
Mercury☿ Optimal Visibility 0.473.9°132°Libra06:3012:4819:05Binoculars
Uranus♅ Below Horizon 5.6-60.8°295°Taurus20:0201:5107:37Binoculars
Neptune♆ Below Horizon 7.8-55.9°107°Pisces15:4521:4603:52Telescope
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
RISES15:36
BEST TIME21:45N · 75° high
SETS03:11
Reaches about 75° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:30
BEST TIME07:21N · 65° high
SETS13:12
Reaches about 65° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:16
BEST TIME22:16N · 78° high
SETS04:20
Reaches about 78° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:09
BEST TIME11:23S · 82° high
SETS17:38
Reaches about 82° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:58
BEST TIME06:47N · 62° high
SETS12:35
Reaches about 62° 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.