OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

11.30°S, 41.86°WAmerica/Bahia

Daylight+26.4°

15:52:01

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 10m of true darkness · 11h 34m total night

DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)

TRUE DARK SKY WINDOW

Sunset17:44

Civil Dusk18:06

Nautical18:31

Full Dark18:56

Nadir23:31

Dark Ends04:06

Nautical04:31

Civil Dawn04:56

Sunrise05:18

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE3.7°

DISTANCE379,780 km

Moonrise15:33

Moonset03:49

HorizonAbove

LUNAR INTERFERENCE INDEX6% · Minimal Lunar Glare

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

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

40/100

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

All times calibrated to America/Bahia

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Visible Low	-4.3	25.2°	255°	Libra	05:09	11:25	17:41	Naked Eye
Jupiter♃	Below Horizon	-2.0	-38.5°	279°	Leo	01:29	07:23	13:12	Naked Eye
Saturn♄	Below Horizon	0.3	-6.3°	90°	Pisces	16:17	22:17	04:22	Naked Eye
Mars♂	Below Horizon	1.0	-46.8°	284°	Cancer	00:59	06:48	12:35	Naked Eye
Mercury☿	Optimal Visibility	0.4	45.2°	252°	Libra	06:30	12:49	19:08	Binoculars
Uranus♅	Below Horizon	5.6	-59.2°	68°	Taurus	20:05	01:49	07:37	Binoculars
Neptune♆	Rising / Setting	7.8	1.2°	90°	Pisces	15:46	21:48	03:53	Telescope

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

RISES15:33

BEST TIME21:43N · 75° high

SETS03:49

Reaches about 75° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:29

BEST TIME07:23N · 64° high

SETS13:12

Reaches about 64° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:17

BEST TIME22:17N · 77° high

SETS04:22

Reaches about 77° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:09

BEST TIME11:25S · 83° high

SETS17:41

Reaches about 83° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:59

BEST TIME06:48N · 61° high

SETS12:35

Reaches about 61° 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

0 / 6 targets logged tonight

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.