Månens faser under September
- 2023-09-06: Avtagande halvmåne
- 2023-09-12: Månen längst från jorden (406300 km)
- 2023-09-15: Nymåne
- 2023-09-22: Växande halvmåne
- 2023-09-28: Månen närmast jorden (359900 km)
- 2023-09-29: Fullmåne
- 2023-10-06: Avtagande halvmåne
Kvällshimlen under September
- 2023-09-04: Månen 3° norr om Jupiter
- 2023-09-05: Månen 1.2° söder om Pleiaderna (Alcyone)s
- 2023-09-06: Merkurius i undre konjunktion med solen
- 2023-09-06: Månen 9° norr om Aldebaran
- 2023-09-10: Månen 1.5° söder om Pollux
- 2023-09-11: Månen 11° norr om Venus
- 2023-09-13: Månen 4° norr om Regulus
- 2023-09-13: Månen 6° norr om Merkurius
- 2023-09-16: Månen 0.7° norr om Mars.
- 2023-09-17: Månen 2° norr om Spica
- 2023-09-19: Venus lyser klarast
- 2023-09-19: Neptunus i opposition
- 2023-09-21: Månen 0.9° norr om Antares.
- 2023-09-22: Merkurius i max västlig elongation, 17°
- 2023-09-23: Höstdagjämning
- 2023-09-27: Månen 3° söder om Saturnus
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
Händelser i September
- 2023-09-02: Trekdag september
- 2023-09-06: Människooffer på vikingatiden
- 2023-09-08 till 09-09: Träff under stjärnorna i Mariestad
- 2023-09-19: Föreläsning om Vetenskapsakademiens historia
Newsfeed
- 2023-08-21: Rewriting the Past and Future of the Universe
- 2023-08-11: VLA Finds Megastorms on Saturn Disrupt Gas Giant’s Deep Atmosphere in Surprising Ways
- 2023-08-04: Gas Streamers Feed Triple Baby Stars
- 2023-07-19: VERA Unveils Surroundings of Rapidly Growing Black Holes
- 2023-07-14: Stellar Cradles and Graves Seen in Farthest Galaxy Ever
- 2023-07-05: Survey of Star Masses in Early Universe Analog
- 2023-06-28: Scientists use Exotic Stars to Tune into Hum from Cosmic Symphony
- 2023-06-27: A Surprise Chemical Find by ALMA May Help Detect and Confirm Protoplanets
- 2023-06-22: Molecular Filament Shielded Young Solar System from Supernova
- 2023-06-06: Signature of Very Massive First Stars Recorded in a Milky Way Star
- 2023-06-01: The Case of the Missing Jupiters: Gas Giant Planets are a No-Show around Small Red Stars
- 2023-05-31: Galactic Recycling Confirmed in Ancient Galaxy
- 2023-05-18: First Observed Radio Waves from a Type Ia Supernova
- 2023-04-28: Superflare Hubble Captures an Elusive Galaxy Cluster
- 2023-04-28: Superflare with Massive, High-Velocity Prominence Eruption
- 2023-04-26: NSF Telescopes Image M87’s Supermassive Black Hole and Massive Jet Together for the First Time
- 2023-04-14: Playing Hide and Seek with Planets
- 2023-04-13: Subaru Telescope Images, Weighs, and Tracks Massive Benchmark Exoplanet
- 2023-04-07: TEMPO Instrument Soars into Space
- 2023-04-04: Far, Far Away: Just How Distant Is That Galaxy?
- 2023-04-03: Using the Dark Matter Distribution to Test Our Cosmological Model
- 2023-03-23: AI Finds that First Stars were Clustered Together
- 2023-03-08: ALMA Traces History of Water in Planet Formation Back to the Interstellar Medium
- 2023-03-02: Resurrected Supernova Provides Missing-Link
2019-01-21 Blodmåne (Foto: Magnus Norden)
2014-11-25 Skymning över Brunnsviken (Foto: Magnus Norden)
2011-12-10 Månförmörkelse (Foto: Magnus Norden)
