OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

51.78°N, 114.10°WAmerica/Edmonton

Daylight+15.8°

10:21:01

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM10h 6m of true darkness · 13h 52m total night

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

TRUE DARK SKY WINDOW

Sunset18:25

Civil Dusk18:59

Nautical19:39

Full Dark20:17

Nadir01:21

Dark Ends06:24

Nautical07:03

Civil Dawn07:42

Sunrise08:16

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE-35.8°

DISTANCE380,345 km

Moonrise17:13

Moonset05:07

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/Edmonton

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Visible Low	-4.3	10.8°	138°	Libra	08:47	13:13	17:39	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	50.1°	207°	Leo	01:52	09:11	16:30	Naked Eye
Saturn♄	Below Horizon	0.3	-31.7°	328°	Pisces	17:56	00:10	06:20	Naked Eye
Mars♂	Optimal Visibility	1.0	50.4°	221°	Cancer	00:56	08:37	16:17	Naked Eye
Mercury☿	Below Horizon	0.4	-1.1°	123°	Libra	10:30	14:38	18:45	Binoculars
Uranus♅	Visible Low	5.6	10.4°	291°	Taurus	19:37	03:41	11:41	Binoculars
Neptune♆	Below Horizon	7.8	-35.7°	336°	Pisces	17:35	23:40	05:41	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 · Good height

RISES17:13

BEST TIME22:56S · 36° high

SETS05:07

Reaches about 36° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:52

BEST TIME09:11S · 53° high

SETS16:30

Reaches about 53° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · Good height

RISES17:56

BEST TIME00:10S · 40° high

SETS06:20

Reaches about 40° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · Good height

RISES08:47

BEST TIME13:13S · 20° high

SETS17:39

Reaches about 20° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES00:56

BEST TIME08:37S · 56° high

SETS16:17

Reaches about 56° 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.