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  1. Galleries
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  3. Astrophotography
  4. » The cloud of Rho Ophiuchi

 
The cloud of Rho Ophiuchi...

Astro 2.0

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The cloud of Rho Ophiuchi sent on May 31, 2022 (6:23) by -zeppo-. 23 comments, 697 views. [retina]

Un'oretta di integrazione (18x180s) per questa affascinante regione nella costellazione dell'Ofiuco, ripresa l'estate scorsa dallo splendido cielo dell'Elba con il minuscolo Askar 135mm APO


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avatarsupporter
sent on May 31, 2022 (6:33) | This comment has been translated

Beautiful, congratulations!

avatarsenior
sent on May 31, 2022 (6:47) | This comment has been automatically translated (show/hide original)

good wedge!
great result, surely you have been looking for a great sky and the result has paid off

avatarsupporter
sent on May 31, 2022 (6:48) | This comment has been automatically translated (show/hide original)

Yes, Stefano, I had rented on purpose a house facing south and without parasitic lights ;-)

avatarsenior
sent on May 31, 2022 (6:50) | This comment has been automatically translated (show/hide original)

it is a capture that from Italy always requires a lot of patience.
I have never found the conditions to do it
Congratulations!

user138729
avatar
sent on June 01, 2022 (21:26) | This comment has been automatically translated (show/hide original)

compliments + + + + + (sum) x x x x x (compliment multipliers)

avatarsupporter
sent on June 01, 2022 (21:34) | This comment has been translated

Thank you!

avatarsenior
sent on June 02, 2022 (22:04) | This comment has been automatically translated (show/hide original)

What strange colors though, is it in a narrow band?

avatarsenior
sent on June 03, 2022 (5:31) | This comment has been automatically translated (show/hide original)

why strange colors?
it is a typical reflection nebula. The emission part is out of range

avatarsupporter
sent on June 03, 2022 (6:16) | This comment has been automatically translated (show/hide original)

No Bubu, I used the color with l-pro filter because there were street lamps right under
However the strange colors I noticed them too in all the photo sessions I did on Elba ... they all turn yellow

avatarsenior
sent on June 03, 2022 (7:02) | This comment has been automatically translated (show/hide original)

One hour of integration (18x180s)

What does this mean?
... regardless, the photo is very beautiful, congratulations!

avatarsupporter
sent on June 03, 2022 (7:32) | This comment has been automatically translated (show/hide original)

Hello Mario,
"integration" is a term for insiders ;-) which simply means that I took 18 shots of 3 minutes that I then added with a special program ... all this to have more signal and less noise

avatarsenior
sent on June 03, 2022 (16:52) | This comment has been automatically translated (show/hide original)

why strange colors?
it is a typical reflection nebula. The emission part is out of the field

Because there should be a lot of red in theory in that area, it's strange that it didn't come out if the photo is in RGB!

avatarsupporter
sent on June 03, 2022 (17:14) | This comment has been automatically translated (show/hide original)

Yes, looking at other shots of that region there should be more red... but I repeat, all the sessions I did produced colors tending to yellow and the machine is still the same
location as shooting
[IMG2]3991652[/IMG2]

avatarsenior
sent on June 03, 2022 (17:39) | This comment has been automatically translated (show/hide original)

But just to make sure you got it right, were they rows from a color camera leaving?

avatarsenior
sent on June 03, 2022 (17:43) | This comment has been automatically translated (show/hide original)

If you refer to nebulosities there is H alpha (but in part it is out of range)
it comes out well if you add in narrow band
If you refer to the stars I would not be able to judge, you should do photometry

avatarsupporter
sent on June 03, 2022 (17:48) | This comment has been automatically translated (show/hide original)

But just to make sure you got it right, were they rows from a color camera leaving?

Yes, the ASI2600MC + Optolong L-Pro filter and in fact I too was amazed by the yellowish colors and there was no way to pull out the red
P.S. In the photo of the Milky Way at least the Lagoon should have been a beautiful red

avatarsenior
sent on June 03, 2022 (17:50) | This comment has been automatically translated (show/hide original)

yes that of the Milky Way is strange, the asi should see it well the Ha

avatarsupporter
sent on June 03, 2022 (17:55) | This comment has been automatically translated (show/hide original)

and in fact he sees it well, it is only from Elba that he gave me back that sky there, boh?

avatarsenior
sent on June 03, 2022 (18:06) | This comment has been automatically translated (show/hide original)

"integration" is a term for insiders ;-) which simply means that I took 18 shots of 3 minutes that I then added with a special program ... all this to have more signal and less noise

ah ok, thanks

avatarsenior
sent on June 03, 2022 (18:12) | This comment has been automatically translated (show/hide original)

and in fact he sees it well, it is only from Elba that he gave me back that sky there, boh?

yet on Elba there is ferrous material, therefore tending to red ;-)
... clearly joke, it's just a joke.
To you experts the solution of the problem!


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