OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

5.38°S, 49.13°WAmerica/Belem
Daylight+50.6°
14:38:20
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 23m of true darkness · 11h 44m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:08
Civil Dusk18:29
Nautical18:54
Full Dark19:19
Nadir00:00
Dark Ends04:42
Nautical05:06
Civil Dawn05:31
Sunrise05:52
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-20.7°
DISTANCE380,055 km
Moonrise16:03
Moonset03:39
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 -4.347.9°249°Libra05:4611:5418:02Naked Eye
Jupiter♃ Below Horizon -2.0-12.2°284°Leo01:5207:5213:48Naked Eye
Saturn♄ Below Horizon 0.3-32.1°92°Pisces16:4622:4604:51Naked Eye
Mars♂ Below Horizon 1.0-20.5°287°Cancer01:2007:1713:12Naked Eye
Mercury☿ Optimal Visibility 0.465.2°229°Libra07:0813:1819:28Binoculars
Uranus♅ Below Horizon 5.6-73.7°15°Taurus20:2402:1808:15Binoculars
Neptune♆ Below Horizon 7.8-24.4°93°Pisces16:1522:1704:22Telescope
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
RISES16:03
BEST TIME22:13N · 81° high
SETS03:39
Reaches about 81° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:52
BEST TIME07:52N · 70° high
SETS13:48
Reaches about 70° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:46
BEST TIME22:46N · 83° high
SETS04:51
Reaches about 83° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:46
BEST TIME11:54S · 77° high
SETS18:02
Reaches about 77° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:20
BEST TIME07:17N · 67° high
SETS13:12
Reaches about 67° 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.