[AZ-Observing] Re: The Sun Today - Lots to see!
- From: Chris Schur <comets133@xxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Mon, 27 Jun 2011 13:21:10 -0700 (PDT)
HI Wayne, I seldom have the seeing to use the 5x barlow. Quality is good, but
it is very powerful and the seeing limits its use. I use barlow projection
onto the chip to image the sun.Â
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I have seen the proms change in an hour or less, but never noticed how long it
takes for the granulation. I have heard they only last 15 minutes.
Clear Skies,
Chris
Schur's Web Portal: http://www.schursastrophotography.com
--- On Mon, 6/27/11, Wayne (aka Mr. Galaxy) <mrgalaxy@xxxxxxxx> wrote:
From: Wayne (aka Mr. Galaxy) <mrgalaxy@xxxxxxxx>
Subject: [AZ-Observing] Re: The Sun Today - Lots to see!
To: az-observing@xxxxxxxxxxxxx
Date: Monday, June 27, 2011, 12:38 AM
15480 Empire Rd.
Benson, AZ 85602
hm ph: 520-586-2244
Thanks, Chris, very cool (or should I say Hot!) imagery of the sun.
I was curious about the performance of the 5x Barlow and it sure seems to do
the job. I wanted to use something that would give me a little more oomph when
examining the moon, planets, or close double stars. We've been having some good
seeing that would seem to tolerate a good amount of magnification.
Are you doing eyepiece projection to get the images and what is the resulting
f/ratio? You must have to increase your exposure time quite a bit when going
from x2 to x5 Barlow to get a good exposure. How quickly in succession do you
have to take the images before the granulation or prominences change their
position? Thanks!
Clear skies,
Wayne (aka Mr. Galaxy)
---------- Original Message ----------
From: Chris Schur <comets133@xxxxxxxxx>
To: Az-Observing List <az-observing@xxxxxxxxxxxxx>
Subject: [AZ-Observing] The Sun Today - Lots to see!
Date: Sun, 26 Jun 2011 20:39:29 -0700 (PDT)
The solar granulation was easy to see this morning around 9:30am, so I set up
the solar scope again to image the details. And what details there were!�
Lots of filaments, sunspots and gorgeous prominences.� I also wanted to try
out the new Registax 6, which is so much more powerful than all previous
versions in that it can register the entire solar disk - even on the
granulation perfectly.� Youll see the difference in these images:
http://www.schursastrophotography.com/solar/pst062611.html
Thanks again for looking.�
Comments?
Chris
Schur's Web Portal: http://www.schursastrophotography.com
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