M27 Dumbbell Nebula (Dennis Kaiser)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell Nebula · M 27 · NGC 6853 · The star 14 Vul

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M27 Dumbbell Nebula

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M27 Dumbbell Nebula

Messier 27 (M27), auch bekannt als Dumbbell Nebula, Diabolo Nebula oder Apple Core Nebula, ist ein planetarischer Nebel in Vulpecula. Der Hantelnebel ist groß und ziemlich hell, was ihn zu einem beliebten Objekt unter Amateurastronomen macht. Es kann in Ferngläsern und kleinen Teleskopen gesehen werden.

Der Hantelnebel liegt direkt südlich des Sterns 14 Vulpeculae.

Der Nebel bedeckt eine Fläche von 8 mal 5,6 Bogenminuten des scheinbaren Himmels und hat einen linearen Radius von 1,44 Lichtjahren. Sein schwacher Halo erstreckt sich über mehr als 15 Bogenminuten. M27 liegt ungefähr 1.360 Lichtjahre oder 417 Parsec von der Erde entfernt und hat eine scheinbare Helligkeit von 7,5. Im New General Catalogue trägt es die Bezeichnung NGC 6853.

Messier 27 ist nach dem Helixnebel im Wassermann der zweithellste planetarische Nebel am Himmel und wahrscheinlich am einfachsten zu beobachten, da er eine höhere Oberflächenhelligkeit als der Helixnebel hat und daher leichter zu finden ist.

Aufgenommen in mehreren Nächten im August. Verwendet wurde der Optolong L-Extreme Filter für den Nebel.Der IDAS PL Filter dann für die Sternfarben. Beides wurde separat behandelt und am Schluss zusammengeführt.Dieser Schritt hat mir einige Nerven gekostet. Gut dass einem von hilfsbereiten Kollegen immer geholfen wird. Danke an Sigfried an dieser Stelle.

Viel Spaß beim betrachten.
Lob und Kritik beides willkommen
CS Dennis

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Astrometry.net job	6283607
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M27 Dumbbell Nebula

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