M57 Ring Nebula | JuzaPhoto

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Astrophotography

16.8 MEGAPIXEL

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Atronomia3 View gallery (49 photos)

M57 Ring Nebula sent on September 26, 2024 (15:01) by Mauror.. 6 comments, 340 views.

M57 Ring Nebula - prima elaborazione 26/09/2024 La Nebulosa Anello (nota anche come M 57 o NGC 6720) è una nebulosa planetaria visibile nella costellazione boreale della Lira; dista circa 2000 anni luce dalla Terra e ha un diametro di circa due anni luce. È una delle nebulose più famose. La forma ad anello è in realtà un effetto prospettico poiché dalla Terra possiamo osservarla da uno dei poli. Se potessimo osservarla dal piano equatoriale avrebbe l'aspetto della Nebulosa Manubrio (M27). Le nebulose planetarie si formano quando delle stelle di piccola o media grandezza, come il Sole, esauriscono la loro riserva di idrogeno nel loro nucleo; in questa fase le strutture della stella cambiano per raggiungere un nuovo equilibrio in cui è possibile continuare ad avere le reazioni di fusione nucleare: gli strati esterni così si espandono e la stella diventa una gigante rossa. Quando la temperatura interna aumenta di instabilità, gli strati più esterni possono venir espulsi sia in maniera continua che tramite alcune violente pulsazioni. Questo involucro di gas in espansione forma la nebulosa sferica, illuminata dall'energia ultravioletta della stella centrale.[8] L 900secX2 Bin1 Alpi Friulane Marzo 2022 - Casera Razzo (1.800 mt. s.l.m.) R 600secX2 Bin2 G 600secX2 Bin2 B 600secX2 Bin2 Ha 1200secx24 Bin1 -Casa Treviso Febbraio 2022 >Set CCD Temp.-25°C >Night Temp. -°C GM1000 HPS 10Micron Mount and Aries Tripod Astrografo Ritchey–Chrétien GSO 10" Truss V3 fl_2000mm f/8 FOV 0°27'x 0°27' resolving 0.76"pix Moravian Instruments G2-4000 MARK II Monochrome CCD Camera : Sensor: Kodak KAI-4022 Monochrome CCD Resolution: 2056 x 2062 pixels Quantum Efficiency: 57% max Pixel Size: 7.4 x 7.4 µm Imaging Area: 15.2 x 15.3 mm Cooling: Two-stage Peltier up to -50°C Baader Filters Guide : SXV-AO-LF Active Optics - OAG Lodestar x2 Location : Alpi Friulane Marzo 2022 - Casera Razzo (1.800 mt. s.l.m.)

View High Resolution 16.8 MP

9 persons like it: -zeppo-, Alex Pezzoili, AstroC, Fabrizios53, Gaetano Perego, Giancarlo Melis, Gp70, Matley Siena, Pada

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Gp70	sent on September 26, 2024 (16:25) \| This comment has been automatically translated (show/hide original) A lot of stuff Mauro, congratulations. Sooner or later I'll call you to give you some updates ;-) see you soon Gp

Mauror.

sent on September 26, 2024 (17:15) | This comment has been automatically translated (show/hide original)

Hi Giampi !
TnX !
it's always a pleasure to hear from you, see you soon ! ;-)
Mauro

-zeppo-

sent on September 26, 2024 (19:20) | This comment has been automatically translated (show/hide original)

A lot of stuff 8-) congratulations!

Pada	sent on September 27, 2024 (8:41) \| This comment has been automatically translated (show/hide original) Stunning. And thanks for the caption. Congratulations

Valter Luna

sent on September 27, 2024 (11:30) | This comment has been automatically translated (show/hide original)

Good!!! A lot of signal; Casera Razzo must also be a beautiful dark place... at least I think.

Mauror.

sent on September 27, 2024 (14:35) | This comment has been automatically translated (show/hide original)

Thank you all for the comments and for the visits!
@Valter Moon
yes, Casera Razzo is dark ... from there I took the RGB color channels, while the hydrogen petals I took from home in the Treviso area in 8 hours
Mauro

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