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Sky Digest

Friday, 2 January 2026 | Default Location
Showing the sky from Greenwich, London. Log in to use your own location.
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Tonight at a Glance

Waxing Gibbous 99%
Dark window: 17:21 – 06:38 (13 h 16 m)

Bright moon tonight — deep-sky viewing will be limited

Planet Highlights

Jupiter mag -2.7 · 39° alt · Gemini Details
GRS transit tonight:
Europa Shadow transit begins
Europa Transit begins
Europa Shadow transit ends
Europa Transit ends
+2 more — Details
Saturn mag 1.0 · 15° alt · Aquarius Details
Rings: Barely open (1.2° north face)

Comets

PANSTARRS mag 6.8 · 24° alt · Pegasus Details
bright 2.21 AU Perihelion: Apr 19 (in 19d)

For Beginners (naked eye)

Hyades
Open Cluster
mag 0.5

At 21:00 look high in the south

Taurus
M42
Great Orion Nebula Nebula
mag 4.0

At 21:00 look halfway up in the southeast

Orion
M45
Pleiades, Seven Sisters or Subaru Open Cluster
mag 1.6

At 21:00 look high in the south

Taurus

Binocular Targets

Mira
68 Cet Variable Star
mag 3.0

At 21:00 look halfway up in the southwest

Cet
M34
Spiral Cluster Open Cluster
mag 5.5

At 21:00 look near the zenith

Perseus
M31
Andromeda Galaxy Galaxy
mag 3.4

At 21:00 look high in the west

Andromeda

Small Scopes (3–6 inch)

Castor
HIP 36850; Alpha Gem; 66 Gem Double Star
mag 2.0

At 21:00 look high in the east

Gem
M38
Starfish Cluster Open Cluster
mag 7.4

At 21:00 look high in the southeast

Auriga
NGC 246
Planetary Nebula
mag 8.0

At 21:00 look low in the southwest

Cet
M81
Bode's Galaxy Galaxy
mag 6.9

At 21:00 look high in the northeast

Ursa Major
32 Eri
Double Star
mag 4.8

At 21:00 look halfway up in the south

Eri

Big Scopes (8–12 inch)

T Tau
Double Star
mag 9.3

At 21:00 look high in the south

Tau
NGC 1496
Open Cluster
mag 10.0

At 21:00 look near the zenith

Per
NGC 1514
Planetary Nebula
mag 10.0

At 21:00 look high in the south

Tau
C5
IC 342 Galaxy
mag 9.2

At 21:00 look near the zenith

Camelopardalis
M76
Little Dumbbell Nebula Planetary Nebula
mag 10.1

At 21:00 look near the zenith

Perseus

The Week Ahead

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NASA Astronomy Picture of the Day

NanoSail-D2

In 2011, on January 20, NASA's NanoSail-D2 unfurled a very thin and very reflective 10 square meter sail becoming the first solar sail spacecraft in low Earth orbit. Often considered the stuff of science fiction, sailing through space was suggested 400 years ago by astronomer Johannes Kepler, who had observed comet tails blown by the solar wind. But modern solar sail spacecraft designs, like NanoSail-D2, Japan's interplanetary spacecraft IKAROS, or the Planetary Society's Lightsail A, rely on the small but continuous pressure from sunlight itself for thrust. Glinting in the sunlight as it circled planet Earth, NanoSail-D2's solar sail was periodically bright and visible to the eye. These remarkably detailed images were captured by manually tracking the orbiting solar sail spacecraft with a small telescope.

Image credit: Ralf Vandebergh — APOD is a service of NASA and Michigan Tech. U.

View on NASA APOD

Space News

Sendoff for Artemis II Crew

NASA's Artemis II crew of four astronauts (Wiseman, Glover, Koch, and Hansen) have been officially presented, marking a major milestone for the first crewed lunar mission in over 50 years.

NASA — 30 Mar 2026

NASA Selects Intuitive Machines to Deliver Artemis Science, Tech to Moon

NASA awarded Intuitive Machines $180.4 million to deliver science payloads to the lunar surface through the Commercial Lunar Payload Services initiative, supporting the Artemis program's exploration goals.

NASA — 27 Mar 2026

NASA Releases Artemis II Moon Mission Launch Countdown

NASA released the launch countdown for Artemis II, targeting no earlier than April 1, 2026, for the crewed mission that will send four astronauts around the Moon and back to Earth.

NASA — 26 Mar 2026

How Europe will power the journey to the Moon and back

Europe's Service Module is providing critical propulsion, power, and life support systems for Artemis II, marking a major international contribution to humanity's return to the Moon.

ESA — 27 Mar 2026

Never Miss a Meteor Shower

A complete calendar of annual meteor showers with peak dates, hourly rates, moon interference, and radiant positions. Plan ahead and know exactly when to look up.

Never Miss a Meteor Shower Open Meteor Showers

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