OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

51.93°N, 8.61°WEurope/Dublin
Civil Twilight-1.4° (0° to −6°)
18:32:07
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 5m of true darkness · 13h 51m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:23
Civil Dusk18:58
Nautical19:37
Full Dark20:16
Nadir01:19
Dark Ends06:21
Nautical07:00
Civil Dawn07:40
Sunrise08:14
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%
ALTITUDE12.1°
DISTANCE380,079 km
Moonrise17:07
Moonset06:02
HorizonAbove
LUNAR INTERFERENCE INDEX19% · Minimal Lunar Glare

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
50/100
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 -4.3-7.6°251°Libra08:4813:1317:38Naked Eye
Jupiter♃ Below Horizon -2.0-14.9°321°Leo01:4709:1016:29Naked Eye
Saturn♄ Rising / Setting 0.35.3°94°Pisces17:5500:0506:15Naked Eye
Mars♂ Below Horizon 1.0-14.7°330°Cancer00:5208:3516:16Naked Eye
Mercury☿ Rising / Setting 0.41.3°233°Libra10:3014:3718:43Binoculars
Uranus♅ Below Horizon 5.6-7.2°40°Taurus19:3603:3611:40Binoculars
Neptune♆ Rising / Setting 7.88.3°101°Pisces17:3423:3505:36Telescope
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 · Good height
RISES17:07
BEST TIME23:25S · 41° high
SETS06:02
Reaches about 41° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:47
BEST TIME09:10S · 53° high
SETS16:29
Reaches about 53° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · Good height
RISES17:55
BEST TIME00:05S · 40° high
SETS06:15
Reaches about 40° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Low in the sky
RISES08:48
BEST TIME13:13S · 20° high
SETS17:38
Only reaches about 20° above the horizon. An open view is important.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:52
BEST TIME08:35S · 56° high
SETS16:16
Reaches about 56° 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.