OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

21.01°N, 89.11°WAmerica/Merida
Daylight+56.7°
11:13:31
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
Sunset17:26
Civil Dusk17:48
Nautical18:14
Full Dark18:40
Nadir23:40
Dark Ends04:40
Nautical05:06
Civil Dawn05:32
Sunrise05:55
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 Spica Antares Deneb Venus (-4.3) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-57.7°
DISTANCE380,148 km
Moonrise15:42
Moonset03:23
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 -4.350.7°172°Libra06:0111:3317:06Naked Eye
Jupiter♃ Optimal Visibility -2.036.9°273°Leo01:0707:3113:55Naked Eye
Saturn♄ Below Horizon 0.3-64.8°28°Pisces16:2222:2604:34Naked Eye
Mars♂ Visible Low 1.029.9°279°Cancer00:2606:5713:27Naked Eye
Mercury☿ Optimal Visibility 0.440.8°147°Libra07:3012:5818:26Binoculars
Uranus♅ Below Horizon 5.6-31.1°313°Taurus19:2202:0108:37Binoculars
Neptune♆ Below Horizon 7.8-62.2°44°Pisces15:5521:5604:01Telescope
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
RISES15:42
BEST TIME21:58S · 73° high
SETS03:23
Reaches about 73° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:07
BEST TIME07:31S · 83° high
SETS13:55
Reaches about 83° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:22
BEST TIME22:26S · 70° high
SETS04:34
Reaches about 70° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES06:01
BEST TIME11:33S · 51° high
SETS17:06
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
RISES00:26
BEST TIME06:57S · 87° high
SETS13:27
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.