OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

20.88°N, 89.75°WAmerica/Merida
Daylight+55.8°
12:26:46
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
Sunset17:28
Civil Dusk17:51
Nautical18:17
Full Dark18:43
Nadir23:43
Dark Ends04:43
Nautical05:09
Civil Dawn05:35
Sunrise05:57
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-44.2°
DISTANCE379,874 km
Moonrise15:45
Moonset03:25
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 -4.349.2°199°Libra06:0311:3617:09Naked Eye
Jupiter♃ Visible Low -2.020.4°278°Leo01:1007:3413:58Naked Eye
Saturn♄ Below Horizon 0.3-53.6°55°Pisces16:2522:2804:36Naked Eye
Mars♂ Visible Low 1.013.7°284°Cancer00:2906:5913:30Naked Eye
Mercury☿ Optimal Visibility 0.447.4°168°Libra07:3213:0018:29Binoculars
Uranus♅ Below Horizon 5.6-41.7°329°Taurus19:2402:0408:39Binoculars
Neptune♆ Below Horizon 7.8-48.6°65°Pisces15:5821:5904:04Telescope
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
RISES15:45
BEST TIME22:00S · 73° high
SETS03:25
Reaches about 73° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:10
BEST TIME07:34S · 84° high
SETS13:58
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
RISES16:25
BEST TIME22:28S · 71° high
SETS04:36
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
RISES06:03
BEST TIME11:36S · 51° high
SETS17:09
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
RISES00:29
BEST TIME06:59S · 87° high
SETS13:30
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.