OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

39.98°N, 4.23°WEurope/Madrid
Daylight+18.3°
17:36:48
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 10m of true darkness · 13h 11m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:26
Civil Dusk19:53
Nautical20:25
Full Dark20:56
Nadir02:01
Dark Ends07:06
Nautical07:37
Civil Dawn08:09
Sunrise08:36
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 Altair Spica Antares Deneb Venus (-4.3) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-3.1°
DISTANCE380,511 km
Moonrise17:52
Moonset06:35
HorizonBelow
LUNAR INTERFERENCE INDEX0% · Minimal Lunar Glare

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
42/100
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♀ Visible Low -4.312.4°233°Libra08:5713:5518:54Naked Eye
Jupiter♃ Below Horizon -2.0-9.1°298°Leo02:5709:5216:44Naked Eye
Saturn♄ Below Horizon 0.3-12.2°77°Pisces18:4100:4706:58Naked Eye
Mars♂ Below Horizon 1.0-12.1°307°Cancer02:1009:1816:23Naked Eye
Mercury☿ Visible Low 0.421.2°214°Libra10:3115:1920:07Binoculars
Uranus♅ Below Horizon 5.6-26.1°20°Taurus21:0104:1911:40Binoculars
Neptune♆ Below Horizon 7.8-7.8°83°Pisces18:1700:1806:22Telescope
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
RISES17:52
BEST TIME00:07S · 53° high
SETS06:35
Reaches about 53° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES02:57
BEST TIME09:52S · 64° high
SETS16:44
Reaches about 64° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES18:41
BEST TIME00:47S · 51° high
SETS06:58
Reaches about 51° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES08:57
BEST TIME13:55S · 32° high
SETS18:54
Reaches about 32° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES02:10
BEST TIME09:18S · 68° high
SETS16:23
Reaches about 68° 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.