OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

22.30°S, 53.27°WAmerica/Campo_Grande
Daylight+51.4°
13:53:09
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM8h 38m of true darkness · 11h 13m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:40
Civil Dusk18:03
Nautical18:30
Full Dark18:58
Nadir23:17
Dark Ends03:36
Nautical04:03
Civil Dawn04:30
Sunrise04:53
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 Deneb Venus (-4.3) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-20.3°
DISTANCE380,000 km
Moonrise15:23
Moonset02:57
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 -4.351.6°269°Libra04:3911:1017:42Naked Eye
Jupiter♃ Below Horizon -2.0-15.2°279°Leo01:2707:0812:46Naked Eye
Saturn♄ Below Horizon 0.3-30.4°102°Pisces16:0422:0304:06Naked Eye
Mars♂ Below Horizon 1.0-24.1°280°Cancer01:0006:3412:05Naked Eye
Mercury☿ Optimal Visibility 0.471.8°271°Libra05:5712:3519:13Binoculars
Uranus♅ Below Horizon 5.6-85.9°108°Taurus20:0901:3407:04Binoculars
Neptune♆ Below Horizon 7.8-22.8°101°Pisces15:3121:3303:39Telescope
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
RISES15:23
BEST TIME21:30N · 63° high
SETS02:57
Reaches about 63° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:27
BEST TIME07:08N · 53° high
SETS12:46
Reaches about 53° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:04
BEST TIME22:03N · 66° high
SETS04:06
Reaches about 66° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES04:39
BEST TIME11:10N · 86° high
SETS17:42
Reaches about 86° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:00
BEST TIME06:34N · 50° high
SETS12:05
Reaches about 50° 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.