Crescent Nebula (NGC6888)

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Astrophotography

26.1 MEGAPIXEL

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Astrofotografia View gallery (11 photos)

Crescent Nebula (NGC6888) sent on July 26, 2025 (14:30) by DadaEos. 0 comments, 41 views.

tripod.

Nebulosa a Emissione (grande resto di supernova) Costellazione Cigno 5000 A.L. Si forma in seguito alla collisione del vento stellare veloce, proveniente dalla stella di Wolf-Rayet WR 136 (HD 192163), con il vento più lento espulso dalla stella quando divenne una gigante rossa. Il risultato della collisione è un guscio e due onde d'urto , una che si muove verso l'esterno e una verso l'interno. L'onda d'urto che si muove verso l'interno riscalda il vento stellare fino a temperature che emettono raggi X. Acquisizione: 5 light da 300sec. + (5 Dark - 5 Flat - 5 Bias) - Dithering Integrazione complessiva: 25min Guadagno: 100 Temp. Camera: 0°C Temp. Ambiente: 20°C Bortle: 8 - Camera: ZWO ASI2600MC Air - Tubo: Askar FRA400 - Filtro SVBony SV220 (7nm - H-Alpha/O-III) - Montatura: Skywatcher EQ AL55i Pro - ASIAIR: Gestione/Acquisizione - PIXINSIGHT & GRAXPERT: Allineamento, Somma, correzione gradienti e riduzione rumore - PHOTOSHOP: Sviluppo finale

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3 persons like it: Gaetano Perego, Sandro Zambon, Simoneperi1967

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