OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.74°S, 38.77°WAmerica/Bahia
Daylight+20.4°
16:05:16
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM9h 6m of true darkness · 11h 31m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset17:33
Civil Dusk17:55
Nautical18:20
Full Dark18:46
Nadir23:19
Dark Ends03:52
Nautical04:17
Civil Dawn04:43
Sunrise05:04
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Vega Arcturus Altair Spica Antares Deneb Venus (-4.3) Mercury (0.4) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE9.6°
DISTANCE379,731 km
Moonrise15:21
Moonset03:36
HorizonAbove
LUNAR INTERFERENCE INDEX15% · Minimal Lunar Glare

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
37/100
Challenging Stargazing

High cloud cover or severe light interference. Recommend bright planetary observation or indoor planning.

CLOUD COVER15%
HUMIDITY50%
VISIBILITY18 km
DEW POINT10.8°C
PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Visible Low -4.319.6°255°Libra04:5511:1317:30Naked Eye
Jupiter♃ Below Horizon -2.0-45.0°278°Leo01:1907:1012:58Naked Eye
Saturn♄ Below Horizon 0.3-0.1°89°Pisces16:0522:0504:09Naked Eye
Mars♂ Below Horizon 1.0-53.2°283°Cancer00:4806:3612:21Naked Eye
Mercury☿ Optimal Visibility 0.439.7°253°Libra06:1512:3718:58Binoculars
Uranus♅ Below Horizon 5.6-53.7°72°Taurus19:5501:3607:22Binoculars
Neptune♆ Rising / Setting 7.87.2°89°Pisces15:3421:3503:37Telescope
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
RISES15:21
BEST TIME21:30N · 73° high
SETS03:36
Reaches about 73° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES01:19
BEST TIME07:10N · 63° high
SETS12:58
Reaches about 63° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · High in the sky
RISES16:05
BEST TIME22:05N · 76° high
SETS04:09
Reaches about 76° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · High in the sky
RISES04:55
BEST TIME11:13S · 85° high
SETS17:30
Reaches about 85° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES00:48
BEST TIME06:36N · 59° high
SETS12:21
Reaches about 59° 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.