OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.82°S, 45.11°EIndian/Mayotte
Deep Astronomical Night-48.3° (< −18°)
21:28:59
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 6m of true darkness · 11h 31m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:58
Civil Dusk18:19
Nautical18:45
Full Dark19:10
Nadir23:43
Dark Ends04:16
Nautical04:42
Civil Dawn05:07
Sunrise05:29
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Vega Rigel Altair Aldebaran Deneb Saturn (0.3) Uranus (5.6) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE74.4°
DISTANCE379,866 km
Moonrise15:34
Moonset03:51
HorizonAbove
LUNAR INTERFERENCE INDEX89% · Heavy Lunar Wash

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
61/100
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 -4.3-45.7°226°Libra05:1511:3917:56Naked Eye
Jupiter♃ Below Horizon -2.0-61.8°83°Leo01:4407:3213:24Naked Eye
Saturn♄ Optimal Visibility 0.369.0°48°Pisces16:3122:3104:31Naked Eye
Mars♂ Below Horizon 1.0-53.5°77°Cancer01:1406:5912:46Naked Eye
Mercury☿ Below Horizon 0.4-27.4°238°Libra06:3713:0219:24Binoculars
Uranus♅ Visible Low 5.614.8°64°Taurus20:2002:0207:43Binoculars
Neptune♆ Optimal Visibility 7.875.2°34°Pisces15:5922:0104:02Telescope
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
RISES15:34
BEST TIME21:44N · 75° high
SETS03:51
Reaches about 75° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.
JupiterNaked Eye · High in the sky
RISES01:44
BEST TIME07:32N · 63° high
SETS13:24
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
RISES16:31
BEST TIME22:31N · 76° high
SETS04:31
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
RISES05:15
BEST TIME11:39S · 85° high
SETS17:56
Reaches about 85° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:14
BEST TIME06:59N · 59° high
SETS12:46
Reaches about 59° 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.