OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

20.67°N, 88.57°WAmerica/Merida
Daylight+50.7°
13:09:37
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 0m of true darkness · 12h 29m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:24
Civil Dusk17:46
Nautical18:12
Full Dark18:38
Nadir23:38
Dark Ends04:38
Nautical05:04
Civil Dawn05:30
Sunrise05:52
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) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-34.1°
DISTANCE379,714 km
Moonrise15:40
Moonset03:20
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♀ Optimal Visibility -4.344.5°214°Libra05:5811:3117:04Naked Eye
Jupiter♃ Rising / Setting -2.09.5°282°Leo01:0207:2913:53Naked Eye
Saturn♄ Below Horizon 0.3-43.9°66°Pisces16:2022:2404:31Naked Eye
Mars♂ Rising / Setting 1.03.1°288°Cancer00:2306:5513:25Naked Eye
Mercury☿ Optimal Visibility 0.448.3°185°Libra07:2712:5618:24Binoculars
Uranus♅ Below Horizon 5.6-46.4°344°Taurus19:2001:5908:34Binoculars
Neptune♆ Below Horizon 7.8-38.2°73°Pisces15:5321:5403:59Telescope
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
RISES15:40
BEST TIME21:55S · 74° high
SETS03:20
Reaches about 74° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:02
BEST TIME07:29S · 84° high
SETS13:53
Reaches about 84° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:20
BEST TIME22:24S · 71° high
SETS04:31
Reaches about 71° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES05:58
BEST TIME11:31S · 51° high
SETS17:04
Reaches about 51° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:23
BEST TIME06:55S · 87° high
SETS13:25
Reaches about 87° 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.