OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

37.25°N, 4.91°WEurope/Madrid
Astronomical Twilight-17.9° (−12° to −18°)
21:01:51
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 9m of true darkness · 13h 4m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:32
Civil Dusk19:58
Nautical20:29
Full Dark20:59
Nadir02:04
Dark Ends07:08
Nautical07:38
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 Capella Altair Antares Deneb Saturn (0.3) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE34.6°
DISTANCE379,743 km
Moonrise17:55
Moonset06:36
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
63/100
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 -4.3-23.1°265°Libra08:4613:5819:02Naked Eye
Jupiter♃ Below Horizon -2.0-36.5°344°Leo03:0509:5516:42Naked Eye
Saturn♄ Visible Low 0.326.4°110°Pisces18:4400:5006:56Naked Eye
Mars♂ Below Horizon 1.0-34.3°355°Cancer02:1909:2016:20Naked Eye
Mercury☿ Below Horizon 0.4-8.2°250°Libra10:2715:2220:17Binoculars
Uranus♅ Below Horizon 5.6-1.7°61°Taurus21:1104:2111:35Binoculars
Neptune♆ Optimal Visibility 7.830.6°117°Pisces18:2000:2006:21Telescope
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
RISES17:55
BEST TIME00:10S · 55° high
SETS06:36
Reaches about 55° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES03:05
BEST TIME09:55S · 67° high
SETS16:42
Reaches about 67° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES18:44
BEST TIME00:50S · 54° high
SETS06:56
Reaches about 54° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES08:46
BEST TIME13:58S · 35° high
SETS19:02
Reaches about 35° 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 TIME09:20S · 71° high
SETS16:20
Reaches about 71° 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.