OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

36.35°N, 140.30°EAsia/Tokyo
Deep Astronomical Night-22.1° (< −18°)
04:04:48
Sat, Oct 24, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 8m of true darkness · 13h 1m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset16:53
Civil Dusk17:19
Nautical17:49
Full Dark18:19
Nadir23:23
Dark Ends04:27
Nautical04:57
Civil Dawn05:27
Sunrise05:53
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Sirius Capella Rigel Betelgeuse Aldebaran Jupiter (-2.0) Saturn (0.3) Mars (1.0) Uranus (5.6)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-7.2°
DISTANCE379,732 km
Moonrise15:30
Moonset03:28
HorizonBelow
LUNAR INTERFERENCE INDEX0% · Minimal Lunar Glare

Sky background remains dark; faint nebulae and distant galaxies are distinct.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
92/100
Exceptional Stargazing

Pristine dark skies with clear transparency. Ideal for astrophotography & faint deep sky targets.

CLOUD COVER15%
HUMIDITY50%
VISIBILITY18 km
DEW POINT10.8°C
PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Below Horizon -4.3-24.1°95°Libra06:0711:1316:25Naked Eye
Jupiter♃ Optimal Visibility -2.042.7°105°Leo00:2707:1213:58Naked Eye
Saturn♄ Rising / Setting 0.32.2°270°Pisces16:0522:1104:17Naked Eye
Mars♂ Optimal Visibility 1.051.4°108°Cancer23:4106:3813:36Naked Eye
Mercury☿ Below Horizon 0.4-42.9°85°Libra07:4212:3917:39Binoculars
Uranus♅ Optimal Visibility 5.655.4°253°Taurus18:3501:4208:50Binoculars
Neptune♆ Below Horizon 7.8-4.5°273°Pisces15:3621:4103:42Telescope
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
RISES15:30
BEST TIME21:11S · 54° high
SETS03:28
Reaches about 54° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES00:27
BEST TIME07:12S · 68° high
SETS13:58
Reaches about 68° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:05
BEST TIME22:11S · 55° high
SETS04:17
Reaches about 55° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES06:07
BEST TIME11:13S · 36° high
SETS16:25
Reaches about 36° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES23:41
BEST TIME06:38S · 72° high
SETS13:36
Reaches about 72° 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.