OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

40.40°N, 5.64°WEurope/Madrid
Civil Twilight-0.0° (0° to −6°)
19:29:53
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 10m of true darkness · 13h 12m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:31
Civil Dusk19:58
Nautical20:30
Full Dark21:02
Nadir02:07
Dark Ends07:11
Nautical07:43
Civil Dawn08:15
Sunrise08:43
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) Mercury (0.4) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE16.4°
DISTANCE380,087 km
Moonrise17:57
Moonset06:41
HorizonAbove
LUNAR INTERFERENCE INDEX26% · Moderate Lunar Glow

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
48/100
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 -4.3-5.5°252°Libra09:0414:0118:58Naked Eye
Jupiter♃ Below Horizon -2.0-25.0°320°Leo03:0209:5816:51Naked Eye
Saturn♄ Rising / Setting 0.37.8°95°Pisces18:4600:5307:00Naked Eye
Mars♂ Below Horizon 1.0-25.6°330°Cancer02:1509:2316:30Naked Eye
Mercury☿ Rising / Setting 0.46.4°236°Libra10:3815:2520:11Binoculars
Uranus♅ Below Horizon 5.6-14.7°44°Taurus21:0604:2411:47Binoculars
Neptune♆ Visible Low 7.812.2°101°Pisces18:2300:2306:24Telescope
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
RISES17:57
BEST TIME00:13S · 52° high
SETS06:41
Reaches about 52° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES03:02
BEST TIME09:58S · 64° high
SETS16:51
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
RISES18:46
BEST TIME00:53S · 51° high
SETS07:00
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
RISES09:04
BEST TIME14:01S · 32° high
SETS18:58
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
RISES02:15
BEST TIME09:23S · 68° high
SETS16:30
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.