Re: OT: See Saturn at its Best and Brightest

2013-04-27 Thread Larry Colen
On Fri, Apr 26, 2013 at 10:52:37PM -0400, J.C. O'Connell wrote: Anybody know the correct exposure value ( fstop and shutter speed at a given ISO) for saturn? If its reasonable, I may set up my takumar 1000mm and give it a try. It's too bad you don't have a Q to put on the meter of glass. --

Re: OT: See Saturn at its Best and Brightest

2013-04-26 Thread Matthew Hunt
On Thu, Apr 25, 2013 at 12:58 PM, Larry Colen l...@red4est.com wrote: What sort of focal length lens would be needed to clearly resolve the rings on an APS sensor camera? I got an identifiable photograph tonight with a K-7, DA*300, and 1.4x teleconverter, focused manually using live view:

Re: OT: See Saturn at its Best and Brightest

2013-04-26 Thread Rob Studdert
On 27 April 2013 12:07, Matthew Hunt m...@pobox.com wrote: I got an identifiable photograph tonight with a K-7, DA*300, and 1.4x teleconverter, focused manually using live view: http://www.flickr.com/photos/coneslayer/8684051685/ I wanted to shoot last night and get it in the same frame as

Re: OT: See Saturn at its Best and Brightest

2013-04-26 Thread Matthew Hunt
On Fri, Apr 26, 2013 at 10:24 PM, Rob Studdert distudio.p...@gmail.com wrote: That's pretty cool, I was thinking of trying the same thing with my A300/2.8 and 1.7AF TC on the K5 and possibly testing the astro tracking on the GPS unit, light pollution here isn't great for night viewing though.

Re: OT: See Saturn at its Best and Brightest

2013-04-26 Thread Rob Studdert
On 27 April 2013 12:32, Matthew Hunt m...@pobox.com wrote: Saturn's bright, you don't need tracking and light pollution shouldn't be a big problem. I shot at ISO 100, f/8 set on lens (so f/11 effective), 1/4 second. I don't think you want to go much longer than that without tracking, but

RE: OT: See Saturn at its Best and Brightest

2013-04-26 Thread J.C. O'Connell
...@pdml.net] On Behalf Of Rob Studdert Sent: Friday, April 26, 2013 10:25 PM To: Pentax-Discuss Mail List Subject: Re: OT: See Saturn at its Best and Brightest On 27 April 2013 12:07, Matthew Hunt m...@pobox.com wrote: I got an identifiable photograph tonight with a K-7, DA*300, and 1.4x teleconverter

Re: OT: See Saturn at its Best and Brightest

2013-04-25 Thread Larry Colen
On Thu, Apr 25, 2013 at 11:26:58AM -0400, Daniel J. Matyola wrote: http://science.nasa.gov/science-news/science-at-nasa/2013/25apr_saturn/ Very cool, thanks for posting that. What sort of focal length lens would be needed to clearly resolve the rings on an APS sensor camera? Dan Matyola

Re: OT: See Saturn at its Best and Brightest

2013-04-25 Thread steve harley
on 2013-04-25 10:58 Larry Colen wrote On Thu, Apr 25, 2013 at 11:26:58AM -0400, Daniel J. Matyola wrote: http://science.nasa.gov/science-news/science-at-nasa/2013/25apr_saturn/ Very cool, thanks for posting that. What sort of focal length lens would be needed to clearly resolve the rings on

Re: OT: See Saturn at its Best and Brightest

2013-04-25 Thread John Sessoms
From: Larry Colen On Thu, Apr 25, 2013 at 11:26:58AM -0400, Daniel J. Matyola wrote: http://science.nasa.gov/science-news/science-at-nasa/2013/25apr_saturn/ Very cool, thanks for posting that. What sort of focal length lens would be needed to clearly resolve the rings on an APS sensor

Re: OT: See Saturn at its Best and Brightest

2013-04-25 Thread John Sessoms
From: steve harley on 2013-04-25 10:58 Larry Colen wrote On Thu, Apr 25, 2013 at 11:26:58AM -0400, Daniel J. Matyola wrote: http://science.nasa.gov/science-news/science-at-nasa/2013/25apr_saturn/ Very cool, thanks for posting that. What sort of focal length lens would be needed to clearly