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Astrophotography and Sketching >> Sketching

Pages: 1
Ernest_SPB
sage


Reged: 11/13/10

Loc: St.-Petersburg, Russia
Sun in continuum (May 1, 2)
      #5841745 - 05/05/13 02:02 PM

This Sun was observed in Sky Watcher ED80/600 + 12 mm Radian (50x) + film Astrosolar (photo) + OIII Astronomik and sketched by pencil on May, 1 15UTC. Then the picture was scanned and processed in Paint.NET (including false coloring).



Edited by Ernest_SPB (05/05/13 02:06 PM)


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Ernest_SPB
sage


Reged: 11/13/10

Loc: St.-Petersburg, Russia
Re: Sun in continuum (May 1, 2) new [Re: Ernest_SPB]
      #5841749 - 05/05/13 02:04 PM

Another day Sun observed in the same telescope.


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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Sun in continuum (May 1, 2) new [Re: Ernest_SPB]
      #5841834 - 05/05/13 03:06 PM

Ernest,

Fine sketches of a spot covered sun.

Frank


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Laurent Ferrero
member


Reged: 12/28/12

Loc: Marseilles, France
Re: Sun in continuum (May 1, 2) new [Re: frank5817]
      #5841923 - 05/05/13 03:58 PM

Fine sketches, very realistic !

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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: Sun in continuum (May 1, 2) new [Re: Ernest_SPB]
      #5843231 - 05/06/13 10:37 AM

Ernest,

Very nice sketch of the Sun May 1 & 2 .

CS,KLU,

,

Tom


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Jef De Wit
Carpal Tunnel


Reged: 03/06/09

Loc: Hove, Belgium
Re: Sun in continuum (May 1, 2) new [Re: niteskystargazer]
      #5843330 - 05/06/13 11:31 AM

OIII on the sun? How does it help?

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Ernest_SPB
sage


Reged: 11/13/10

Loc: St.-Petersburg, Russia
Re: Sun in continuum (May 1, 2) new [Re: Jef De Wit]
      #5847018 - 05/08/13 01:34 AM

I use solar filter made from Baader Astrosolar film (photo edition). It produces bright image of Sun and requires additional filtering. Normally I use neutral 1.25" Moon filter, sometimes dense color filters, but recently found that narrow OIII filter (Astronomik) provides image of Sun surface with better resolution. I can catch granulation pattern, filaments in shadow of spot. I guess it filters out rest of chromatic aberrations of my ED-doublet.

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PeterDob
scholastic sledgehammer


Reged: 07/29/05

Loc: CarĂ¹, Italy
Re: Sun in continuum (May 1, 2) new [Re: Ernest_SPB]
      #5847141 - 05/08/13 04:37 AM

Superb drawings, Ernest! Absolutely wonderful! I too was amazed when I read that you're also using an OIII filter. But seeing your explanation it makes sense indeed. I hope to see a lot more of your work!

Peter


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