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  1. Galleries
  2. »
  3. Astrophotography
  4. » Rosetta in HOO

 
Rosetta in HOO...

Nebulose

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Rosetta in HOO sent on October 11, 2021 (22:37) by Giancarlo Melis. 35 comments, 3022 views.  [editors pick] [retina]

La nebulosa Rosetta (NGC 2237) nella costellazione dell'Unicorno. In questa immagine vediamo questo oggetto cosmico così com'era circa 5200 anni fa. E se potessimo percorrere la linea che traccia il suo diametro, alla velocità di trecentomila km al secondo, ci vorrebbero circa centotrenta anni per terminare il viaggio. Dati tecnici: Ripresa in banda stretta (Ha, Hb e OIII) con filtro Optolong L-eNhance su ASI 183 MC-Pro e RASA da 200mm. Focale: 400mm a f/2. 60 subframe da 3 minuti ciascuno per un totale di 3 ore di esposizione. 30 Dark. Revisione dell'elaborazione con PixInsight in HOO palette (idrogeno-ossigeno-ossigeno) con la seguente miscela: R = Ha + Hb; G = 55% di OIII e 45% di Ha + Hb; B = OIII


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avatarsenior
sent on October 12, 2021 (3:28) | This comment has been automatically translated (show/hide original)

I don't understand a broad face of astrophotography, but when I see such results I even find it hard to believe that from enthusiasts / amateurs you can get to that. Really congratulations!

avatarsenior
sent on October 12, 2021 (18:56) | This comment has been automatically translated (show/hide original)

Thank you for the ride.
The equipment and software dedicated to astronomical photography have made great strides.
Oggi you can get results that until not so long ago were not within the reach of the simple enthusiast.

avataradmin
sent on October 15, 2021 (8:03) | This comment has been translated

Spectacular!

avatarsenior
sent on October 15, 2021 (8:14) | This comment has been automatically translated (show/hide original)

A real show, many compliments! Aurora

avatarsupporter
sent on October 15, 2021 (8:24) | This comment has been automatically translated (show/hide original)

I agree with Rombro's comment and I have nothing left but to admire your incredible result, applaud your passion and bow to your technical / scientific preparation. The EP is the right crowning achievement for the result obtained. Sincere congratulations.
Bye gios ;-)

avatarjunior
sent on October 15, 2021 (8:41) | This comment has been automatically translated (show/hide original)

beautiful Giancarlo. I am also the owner of the rasa and I wanted to ask you if you drive and in case with what equipment. until now I have always shot without. Thank you

avatarsupporter
sent on October 15, 2021 (8:44) | This comment has been automatically translated (show/hide original)

How wonderful! Many compliments!

avatarsenior
sent on October 15, 2021 (9:42) | This comment has been automatically translated (show/hide original)

Thanks to all :)
@StefanoBrognoli
Yes, I consider the guide indispensable even on short poses because on my EQ6-R frame it is the only way to be able to dither (fundamental to avoid the classic rain noise).
I use a simple ZWO scope guide, very small, 169mm focal length.
As a guide camera I use an ASI 120 M-Mini, also small.
I manage the entire photo session with an ASI Air Pro (a godsend).

avatarsupporter
sent on October 15, 2021 (10:19) | This comment has been automatically translated (show/hide original)

A show indeed, with detail and magnificent shades.
A other pearl in an already splendid gallery.

avatarsenior
sent on October 15, 2021 (10:22) | This comment has been automatically translated (show/hide original)

Superb shot, congratulations!

avatarsupporter
sent on October 15, 2021 (11:04) | This comment has been automatically translated (show/hide original)

A great job for a great shot
Compliments
Massimo

avatarsenior
sent on October 15, 2021 (12:27) | This comment has been automatically translated (show/hide original)

:-o wow... Truly spectacular!

avatarjunior
sent on October 15, 2021 (13:05) | This comment has been automatically translated (show/hide original)

Truly spectacular, perfect result obtained with passion and technique.
A greeting,Jordan

avatarsenior
sent on October 15, 2021 (14:12) | This comment has been automatically translated (show/hide original)

I am enchanted to admire it.

avatarjunior
sent on October 15, 2021 (14:23) | This comment has been translated

Congratulations!

avatarsenior
sent on October 15, 2021 (14:48) | This comment has been automatically translated (show/hide original)

A great show, congratulations!

avatarsenior
sent on October 15, 2021 (14:56) | This comment has been automatically translated (show/hide original)

Let's say that after three hours of exposure at least allow us mere mortals to see a fantastic crumb of invisible; for coast to coast travel,... to have known it before, you could also equip yourself .... Meanwhile very good, congratulations for your photographic results.

avatarsenior
sent on October 15, 2021 (16:01) | This comment has been automatically translated (show/hide original)

Great job, congratulations !!
this

avatarsupporter
sent on October 15, 2021 (19:43) | This comment has been automatically translated (show/hide original)

show!!!!!
compliments for the well-deserved recognition ;-)
greeting
paolo

avatarsupporter
sent on October 16, 2021 (6:07) | This comment has been translated

Beautiful, big congratulations!


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