OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.17°S, 44.44°EIndian/Comoro
Nautical Twilight-11.5° (−6° to −12°)
18:47:22
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
Sunset18:00
Civil Dusk18:21
Nautical18:47
Full Dark19:12
Nadir23:46
Dark Ends04:20
Nautical04:45
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 Altair Antares Deneb Saturn (0.3) Mercury (0.4) Neptune (7.8) Moon (92%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE44.0°
DISTANCE380,471 km
Moonrise15:36
Moonset03:54
HorizonAbove
LUNAR INTERFERENCE INDEX64% · Heavy Lunar Wash

Bright moonlight washes out deep sky targets. Focus on lunar craters and bright planets.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
49/100
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♀ Below Horizon -4.3-11.2°248°Libra05:1811:4117:58Naked Eye
Jupiter♃ Below Horizon -2.0-77.6°282°Leo01:4607:3813:27Naked Eye
Saturn♄ Optimal Visibility 0.332.1°81°Pisces16:3322:3304:33Naked Eye
Mars♂ Below Horizon 1.0-83.1°327°Cancer01:1507:0312:49Naked Eye
Mercury☿ Rising / Setting 0.48.4°250°Libra06:4113:0519:25Binoculars
Uranus♅ Below Horizon 5.6-22.0°72°Taurus20:2202:0407:51Binoculars
Neptune♆ Optimal Visibility 7.839.7°80°Pisces16:0222:0304:05Telescope
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 TIME21:46N · 75° high
SETS03:54
Reaches about 75° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.
JupiterNaked Eye · High in the sky
RISES01:46
BEST TIME07:38N · 63° high
SETS13:27
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
RISES16:33
BEST TIME22:33N · 76° high
SETS04:33
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
RISES05:18
BEST TIME11:41S · 84° high
SETS17:58
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
RISES01:15
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.