OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.19°S, 44.24°EIndian/Comoro
Deep Astronomical Night-18.3° (< −18°)
19:16:48
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 Dusk18:22
Nautical18:47
Full Dark19:13
Nadir23:47
Dark Ends04:21
Nautical04:46
Civil Dawn05:11
Sunrise05:33
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%
ALTITUDE50.6°
DISTANCE380,361 km
Moonrise15:37
Moonset03:55
HorizonAbove
LUNAR INTERFERENCE INDEX71% · Heavy Lunar Wash

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
67/100
Good Stargazing

Fine observing conditions. Open star clusters and nebulae will exhibit crisp structure.

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

Visible Planets Tonight

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Below Horizon -4.3-17.8°246°Libra05:1911:4217:59Naked Eye
Jupiter♃ Below Horizon -2.0-84.4°294°Leo01:4707:3913:28Naked Eye
Saturn♄ Optimal Visibility 0.339.0°78°Pisces16:3422:3404:34Naked Eye
Mars♂ Below Horizon 1.0-83.4°29°Cancer01:1607:0212:50Naked Eye
Mercury☿ Rising / Setting 0.42.0°249°Libra06:4213:0619:26Binoculars
Uranus♅ Below Horizon 5.6-15.3°71°Taurus20:2302:0507:52Binoculars
Neptune♆ Optimal Visibility 7.846.6°77°Pisces16:0322:0404:06Telescope
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
RISES15:37
BEST TIME21:47N · 75° high
SETS03:55
Reaches about 75° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Heavy Lunar Wash.
JupiterNaked Eye · High in the sky
RISES01:47
BEST TIME07:39N · 63° high
SETS13:28
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
RISES16:34
BEST TIME22:34N · 76° high
SETS04:34
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
RISES05:19
BEST TIME11:42S · 84° high
SETS17:59
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
RISES01:16
BEST TIME07:02N · 60° high
SETS12:50
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.