Re: [ap-ug] RE: [ap-gto] SH-112


Jul 1, 2011

 


----------------------------

#55565 Jul 1, 2011

+1... most impressive!



Alan



Sent from my iPhone

On Jul 1, 2011, at 9:37 AM, "Ray Gralak" groups1@...> wrote:



> Hi Roland,

>

> I just got a chance to look at this, and Wow! It is impressive how deep the RHA's F/3.9 takes you in that amount of

> exposure time! Nice job!

>

> -Ray Gralak

>

> > -----Original Message-----

> > From: ap-gto@yahoogroups.com [mailto:ap-gto@yahoogroups.com] On Behalf Of chris1011@...

> > Sent: Thursday, June 30, 2011 9:08 AM

> > To: ap-ug@yahoogroups.com

> > Cc: ap-gto@yahoogroups.com

> > Subject: [ap-gto] SH-112

> >

> >

> >

> > Had two nights of clear weather which allowed some imaging with the RH 305

> > astrograph. Hope to get some color in the next couple days.

> >

> > Full frame image:

> > www.astromart.com/common/image_popup.asp?image=/images/forums/762000-

> > 762999/762698.jpg

> >

> > Intermediate crop:

> > www.astromart.com/common/image_popup.asp?image=/images/forums/762000-

> > 762999/762699.jpg

> >

> > Full resolution crop:

> > www.astromart.com/common/image_popup.asp?image=/images/forums/762000-

> > 762999/762708.jpg

> >

> > (sorry for the compressed JPEGs, but they were limited to 500k)

> >

> > 28 x 10 minutes, STL11K camera

> >

> > Seeing was the best I have experienced so far with stars measuring FWHM of

> > 1.2 arc sec in a 10 minute exposure. The 3600 mount was guiding at less than

> > 1 pixel for the duration of each exposure (about .7 arc sec peak).

> >

> > Rolando

> >

> > [Non-text portions of this message have been removed]

> >

> >

> >

> >

>

>





[Non-text portions of this message have been removed]



Contact Us
This Site's Privacy Policy
Google's privacy policies

S
e
n
i
o
r
T
u
b
e
.
o
r
g