OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

29.14°N, 98.91°WAmerica/Chicago
Daylight+44.8°
11:58:48
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 6m of true darkness · 12h 45m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:57
Civil Dusk19:21
Nautical19:49
Full Dark20:16
Nadir01:20
Dark Ends06:23
Nautical06:50
Civil Dawn07:18
Sunrise07:42
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 Spica Antares Deneb Venus (-4.3) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION92%
ALTITUDE-57.8°
DISTANCE380,203 km
Moonrise17:20
Moonset05:03
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 -4.339.6°157°Libra07:5313:1218:32Naked Eye
Jupiter♃ Optimal Visibility -2.048.5°258°Leo02:3509:1015:45Naked Eye
Saturn♄ Below Horizon 0.3-59.2°356°Pisces18:0000:0906:14Naked Eye
Mars♂ Optimal Visibility 1.042.6°268°Cancer01:5208:3615:20Naked Eye
Mercury☿ Visible Low 0.427.0°138°Libra09:2414:3719:50Binoculars
Uranus♅ Below Horizon 5.6-16.5°307°Taurus20:4503:4010:31Binoculars
Neptune♆ Below Horizon 7.8-60.6°11°Pisces17:3523:3505:40Telescope
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
RISES17:20
BEST TIME23:38S · 65° high
SETS05:03
Reaches about 65° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES02:35
BEST TIME09:10S · 75° high
SETS15:45
Reaches about 75° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES18:00
BEST TIME00:09S · 62° high
SETS06:14
Reaches about 62° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES07:53
BEST TIME13:12S · 43° high
SETS18:32
Reaches about 43° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:52
BEST TIME08:36S · 79° high
SETS15:20
Reaches about 79° 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.