Eine Sternlandschaft mit 340-Megapixeln vom Paranal
Das zweite von drei Bildern des ESO-Projekts GigaGalaxy Zoom ist ein neues und beeindruckendes 340-Millionen-Pixel-Panorama der Zentralregionen unserer Heimatgalaxie, der Milchstraße. Das Bild, das 34 mal 20 Grad misst, zeigt einen Anblick, der Amateurastronomen weltweit vertraut ist. Es wurde von Stéphane Guisard - einem weltbekannten Astrofotografen, der als Ingenieur bei der ESO arbeitet - vom Cerro Paranal aus aufgenommen, der Heimat des Very Large Telescope der ESO. Die Aufnahme profitiert von der herausragenden Qualität des Himmels über dem Paranal, einem der besten Beobachtungsstandorte weltweit. Sie zeigt den Himmel vom Sternbild Sagittarius (der Schütze) zum Sternbild Scorpius (der Skorpion). Rechts fallen die farbenfrohen Regionen um rho Ophiuchi und Antares ebenso wie die Dunkelnebel im Sternbild Schlangenträger ins Auge. Das Staubband der Milchstraße zieht sich schräg durch das Bild, besetzt mit beeindruckenden hellen rötlichen Nebeln wie dem Lagunen- und dem Trifidnebel sowie NGC 6357 und NGC 6334. Hinter diesem dunklen Band befindet sich auch das Zentrum unserer Galaxis, in dem ein supermassereiches Schwarzes Loch lauert. Das Bild entstand mithilfe eines 10cm-Takahashi FSQ106ED f/3.6-Teleskop mit einer SBIG STL-CCD-Kamera auf einer NJP160-Montierung. Einzelaufnahmen wurden mit drei verschiedenen Filtern (B, V und R) aufgenommen und dann zusammengesetzt. Das Mosaik besteht aus 52 Teilflächen mit rund 1200 Einzelbildern. Zählt man die Belichtungszeiten zusammen, kommt man auf rund 200 Stunden. Die fertige Aufnahme hat eine Größe von 24.403 mal 13.973 Bildpunkten. Das Bild ist in voller Auflösung nur über Stéphane Guisard erhältlich.
Herkunftsnachweis:ESO/S. Guisard (www.eso.org/~sguisard)
Über das Bild
| ID: | eso0934a |
| Sprache: | de |
| Typ: | Beobachtung |
| Veröffentlichungsdatum: | 21. September 2009 |
| Dazugehörige Veröffentlichungen: | eso2418, eso0934 |
| Größe: | 4331 x 2480 px |
Über das Objekt
| Name: | Milky Way |
| Typ: | Milky Way : Sky Phenomenon : Night Sky : Milky Way |
| Constellation: | Ophiuchus |
Bildformate
Bildschirm-Hintergrundbilder
Koordinaten
| Position (RA): | 17 10 25.67 |
| Position (Dec): | -28° 44' 37.78" |
| Field of view: | 1968.02 x 1127.00 arcminutes |
| Orientierung: | Die Nordrichtung liegt 1.6° rechts zur Vertikale |
Farben & Filter
| Spektralbereich | Teleskop |
|---|---|
| Optisch B |
Other
N/A |
| Optisch V |
Other
N/A |
| Optisch R |
Other
N/A |
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