OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

12.16°S, 39.74°WAmerica/Bahia

Daylight+45.0°

14:27:24

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 7m of true darkness · 11h 32m total night

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

TRUE DARK SKY WINDOW

Sunset17:36

Civil Dusk17:58

Nautical18:23

Full Dark18:49

Nadir23:23

Dark Ends03:56

Nautical04:22

Civil Dawn04:47

Sunrise05:09

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE-13.9°

DISTANCE380,096 km

Moonrise15:25

Moonset03:01

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

All times calibrated to America/Bahia

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	43.6°	257°	Libra	05:00	11:17	17:33	Naked Eye
Jupiter♃	Below Horizon	-2.0	-20.1°	281°	Leo	01:22	07:14	13:03	Naked Eye
Saturn♄	Below Horizon	0.3	-25.1°	94°	Pisces	16:09	22:09	04:13	Naked Eye
Mars♂	Below Horizon	1.0	-28.7°	284°	Cancer	00:52	06:39	12:25	Naked Eye
Mercury☿	Optimal Visibility	0.4	63.1°	247°	Libra	06:20	12:41	19:01	Binoculars
Uranus♅	Below Horizon	5.6	-76.0°	49°	Taurus	19:58	01:40	07:27	Binoculars
Neptune♆	Below Horizon	7.8	-17.4°	94°	Pisces	15:38	21:39	03:45	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

RISES15:25

BEST TIME21:34N · 74° high

SETS03:01

Reaches about 74° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:22

BEST TIME07:14N · 63° high

SETS13:03

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

RISES16:09

BEST TIME22:09N · 76° high

SETS04:13

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

RISES05:00

BEST TIME11:17S · 84° high

SETS17:33

Reaches about 84° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:52

BEST TIME06:39N · 60° high

SETS12:25

Reaches about 60° 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.