OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

52.37°N, 106.97°WAmerica/Toronto
Daylight+25.1°
13:59:13
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 6m of true darkness · 13h 54m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset19:55
Civil Dusk20:30
Nautical21:10
Full Dark21:49
Nadir02:52
Dark Ends07:55
Nautical08:34
Civil Dawn09:14
Sunrise09:49
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Vega Arcturus Capella Altair Spica Deneb Venus (-4.3) Jupiter (-2.0) Mars (1.0) Mercury (0.4)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE-34.2°
DISTANCE379,977 km
Moonrise18:43
Moonset06:37
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

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Visible Low -4.319.0°168°Libra10:2114:4419:08Naked Eye
Jupiter♃ Optimal Visibility -2.035.7°245°Leo03:2110:4218:03Naked Eye
Saturn♄ Below Horizon 0.3-35.7°6°Pisces19:2701:3707:51Naked Eye
Mars♂ Optimal Visibility 1.033.6°255°Cancer02:2510:0817:51Naked Eye
Mercury☿ Visible Low 0.411.4°149°Libra12:0416:0920:14Binoculars
Uranus♅ Below Horizon 5.6-5.0°316°Taurus21:0605:1213:15Binoculars
Neptune♆ Below Horizon 7.8-36.6°16°Pisces19:0701:0707:12Telescope
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
RISES18:43
BEST TIME01:11S · 42° high
SETS06:37
Reaches about 42° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Minimal Lunar Glare.
JupiterNaked Eye · High in the sky
RISES03:21
BEST TIME10:42S · 52° high
SETS18:03
Reaches about 52° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · Good height
RISES19:27
BEST TIME01:37S · 39° high
SETS07:51
Reaches about 39° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Low in the sky
RISES10:21
BEST TIME14:44S · 20° high
SETS19:08
Only reaches about 20° above the horizon. An open view is important.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES02:25
BEST TIME10:08S · 56° high
SETS17:51
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

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.