OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

20.09°S, 57.63°EIndian/Mauritius

Deep Astronomical Night-50.0° (< −18°)

22:16:46

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM8h 46m of true darkness · 11h 18m total night

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

TRUE DARK SKY WINDOW

Sunset18:14

Civil Dusk18:37

Nautical19:03

Full Dark19:30

Nadir23:53

Dark Ends04:16

Nautical04:43

Civil Dawn05:10

Sunrise05:32

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION93%

ALTITUDE66.8°

DISTANCE379,912 km

Moonrise15:42

Moonset03:57

HorizonAbove

LUNAR INTERFERENCE INDEX85% · Heavy Lunar Wash

Bright moonlight washes out deep sky targets. Focus on lunar craters and bright planets.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

62/100

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 Indian/Mauritius

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Below Horizon	-4.3	-45.7°	212°	Libra	05:15	11:49	18:17	Naked Eye
Jupiter♃	Below Horizon	-2.0	-52.9°	93°	Leo	02:02	07:42	13:26	Naked Eye
Saturn♄	Optimal Visibility	0.3	67.7°	16°	Pisces	16:41	22:41	04:40	Naked Eye
Mars♂	Below Horizon	1.0	-45.6°	85°	Cancer	01:34	07:09	12:45	Naked Eye
Mercury☿	Below Horizon	0.4	-30.4°	229°	Libra	06:35	13:12	19:46	Binoculars
Uranus♅	Visible Low	5.6	19.2°	58°	Taurus	20:42	02:12	07:41	Binoculars
Neptune♆	Optimal Visibility	7.8	70.3°	356°	Pisces	16:09	22:11	04:13	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

RISES15:42

BEST TIME21:52N · 68° high

SETS03:57

Reaches about 68° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Heavy Lunar Wash.

JupiterNaked Eye · High in the sky

RISES02:02

BEST TIME07:42N · 56° high

SETS13:26

Reaches about 56° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:41

BEST TIME22:41N · 69° high

SETS04:40

Reaches about 69° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:15

BEST TIME11:49N · 88° high

SETS18:17

Reaches about 88° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:34

BEST TIME07:09N · 52° high

SETS12:45

Reaches about 52° 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.