Månens faser under September

• 2026-09-04: Avtagande halvmåne
• 2026-09-06: Månen närmast jorden (368300 km)
• 2026-09-11: Nymåne
• 2026-09-18: Växande halvmåne
• 2026-09-19: Månen längst från jorden (404200 km)
• 2026-09-26: Fullmåne
• 2026-10-03: Avtagande halvmåne

Kvällshimlen under September

• 2026-09-03: Venus 1.7° söder om Spica
• 2026-09-03: Månen 1.2° norr om Pleiaderna (Alcyone)
• 2026-09-04: Månen 11° norr om Aldebaran
• 2026-09-06: Månen 3° norr om Mars
• 2026-09-07: Månen 4° söder om Pollux
• 2026-09-08: Månen 0.8° norr om Jupiter
• 2026-09-09: Månen 0.6° söder om Regulus
• 2026-09-12: Månen 4° söder om Merkurius
• 2026-09-13: Månen 2° söder om Spica
• 2026-09-14: Månen 0.5° norr om Venus
• 2026-09-17: Månen 0.6° söder om Antares
• 2026-09-19: Venus lyser klarast
• 2026-09-19: Mars 6° söder om Pollux
• 2026-09-23: Höstdagjämning
• 2026-09-26: Merkurius 1° norr om Spica
• 2026-09-26: Neptunus i opposition
• 2026-09-27: Månen 7° norr om Saturnus
• 2026-09-30: Månen 1.1° norr om Pleiaderna (Alcyone)

Rymdfartshistoria under September

• 1962-09-01: Venera 2MV-1 No.2, Cospar-ID 1962-043A
• 1977-09-05: Voyager 1, Cospar-ID 1977-084A
• 1961-09-09: SAMOS 3, Cospar-ID SAMOS3
• 1959-09-12: Luna 2, Cospar-ID 1959-014A
• 1962-09-12: Venera 2MV-2 No.1, Cospar-ID 1962-045A
• 1966-09-12: Gemini 11, Cospar-ID 1966-081A
• 1961-09-13: Mercury Atlas 4, Cospar-ID 1961-025A
• 2013-09-14: Hisaki, Cospar-ID 2013-049A
• 1959-09-18: Vanguard 3, Cospar-ID 1959-007A
• 1964-09-18: AS-102, Cospar-ID 1964-057A
• 1966-09-20: Surveyor 2, Cospar-ID 1966-084A
• 2006-09-22: Hinode, Cospar-ID 2006-041A
• 1960-09-25: Pioneer P-30, Cospar-ID PIONY
• 1958-09-26: Vanguard SLV 3, Cospar-ID VAGSL3
• 2003-09-27: SMART-1, Cospar-ID 2003-043C
• 2007-09-27: Dawn, Cospar-ID 2007-043A

Aktiviteter i September

• 2026-09-04 till 2026-09-06: Träff under stjärnorna i Mariestad
• 2026-09-09: Barncancer och bananflugor: en berättelse om grundforskning
• 2026-09-18 till 2026-09-19: Astronomins dag och natt
• 2026-09-19: International Observe the Moon night

Newsfeed

• 2026-08-11: Twisted Physics: Astronomers Solve 30-Year-Old Stellar Mystery
• 2026-08-06: A Trillion Mile Cosmic Stream of Gas Feeds GW Orionis
• 2026-07-14: Astronomers Detect Magnetic Fingerprint of a Cosmic Explosion for the First Time
• 2026-07-13: NSF VLA Sky Survey Sets New Standard for High-Resolution, Wide-Area Radio Astronomy
• 2026-07-09: NSF VLA Maps a Hidden Hydrogen Shell Around the Orion Nebula
• 2026-07-07: Hidden Jet from a ’Missing-Link’ Black Hole Lights Up the Radio Sky
• 2026-06-17: Young Stars Shape the Fate of Galaxies
• 2026-06-16: A Quiet Corner of the Milky Way Could Hold the Secret to Star Formation
• 2026-05-25: Just 1.2 Billion Years After the Big Bang, Galaxies Were Already Shaped by Where They Lived
• 2026-05-14: Astronomers Find Most Chemically Primitive Galaxy in Early Universe
• 2026-04-24: Unraveling the Mass Mystery of Orions Young Stars
• 2026-03-24: Distant Galaxy Fades 20-Fold in Just Two Decades ― Rapid Decline in Gas Supply to Its SuperMassive Black Hole
• 2026-03-13: We are Not Alone: Our Sun Escaped From Galactic Center Together with Stellar Twins
• 2026-03-06: ALMA Detects Extremely Abundant Alcohol in Interstellar Comet 3I/ATLAS
• 2026-02-23: Giant Stars, Tiny Dust
• 2026-01-28: New Event Horizon Telescope Results Trace M87 Jet Back to Its Black Hole
• 2026-01-27: Magnetic Superhighways Discovered in a Starburst Galaxy’s Winds
• 2026-01-21: Extremely Fast-Growing Supermassive Black Hole in the Early Universe
• 2026-01-13: Do Even Low-mass Dwarf Galaxies Merge? New Clues from the Outer Stars of a Milky Way Satellite

2019-01-21 Blodmåne (Foto: Magnus Norden)

2014-11-25 Skymning över Brunnsviken (Foto: Magnus Norden)

2011-12-10 Månförmörkelse (Foto: Magnus Norden)