OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

39.05°N, 5.81°WEurope/Madrid
Deep Astronomical Night-19.0° (< −18°)
21:10:51
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 10m of true darkness · 13h 8m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:33
Civil Dusk20:00
Nautical20:32
Full Dark21:02
Nadir02:07
Dark Ends07:12
Nautical07:43
Civil Dawn08:14
Sunrise08:41
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Vega Arcturus Capella Altair Antares Deneb Saturn (0.3) Uranus (5.6) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE34.6°
DISTANCE379,710 km
Moonrise17:58
Moonset06:41
HorizonAbove
LUNAR INTERFERENCE INDEX53% · Moderate Lunar Glow

Milky Way contrast is softened. Bright open clusters and double stars are optimal.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
73/100
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 -4.3-24.3°266°Libra08:5414:0119:02Naked Eye
Jupiter♃ Below Horizon -2.0-35.1°346°Leo03:0509:5916:49Naked Eye
Saturn♄ Visible Low 0.326.8°112°Pisces18:4700:5407:00Naked Eye
Mars♂ Below Horizon 1.0-32.6°356°Cancer02:1909:2416:27Naked Eye
Mercury☿ Below Horizon 0.4-9.8°251°Libra10:3515:2520:16Binoculars
Uranus♅ Rising / Setting 5.60.0°62°Taurus21:1004:2511:43Binoculars
Neptune♆ Optimal Visibility 7.830.7°119°Pisces18:2300:2406:25Telescope
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
RISES17:58
BEST TIME00:14S · 53° high
SETS06:41
Reaches about 53° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES03:05
BEST TIME09:59S · 65° high
SETS16:49
Reaches about 65° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES18:47
BEST TIME00:54S · 52° high
SETS07:00
Reaches about 52° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES08:54
BEST TIME14:01S · 33° high
SETS19:02
Reaches about 33° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES02:19
BEST TIME09:24S · 69° high
SETS16:27
Reaches about 69° 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.