Re: geso, first astrotracer experiments

2011-10-20 Thread P. J. Alling
On 10/20/2011 2:02 PM, Larry Colen wrote: On Oct 20, 2011, at 10:35 AM, frank theriault wrote: On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen wrote: Tonight it was neither cloudy, nor had the moon risen, so on my way home from aikido I pulled off into a moderately dark parking lot to try out m

Re: geso, first astrotracer experiments

2011-10-20 Thread Larry Colen
On Oct 20, 2011, at 10:35 AM, frank theriault wrote: > On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen wrote: >> Tonight it was neither cloudy, nor had the moon risen, so on my way home >> from aikido I pulled off into a moderately dark parking lot to try out my >> astrotracer. >> >> http://www.

Re: geso, first astrotracer experiments

2011-10-20 Thread frank theriault
On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen wrote: > Tonight it was neither cloudy, nor had the moon risen, so on my way home from > aikido I pulled off into a moderately dark parking lot to try out my > astrotracer. > > http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ Very co

Re: geso, first astrotracer experiments

2011-10-20 Thread Matthew Hunt
On Thu, Oct 20, 2011 at 1:13 PM, P. J. Alling wrote: > Tim, think about what you just said.  The stars are as close to infinity > focus as anything you'll ever look at. I think you meant me, not Tim. Neither the mechanical stop, nor the infinity marking, on a lens is accurate enough for precisel

Re: geso, first astrotracer experiments

2011-10-20 Thread P. J. Alling
Damn it. I can't afford a K-5 right now. On 10/20/2011 2:21 AM, Larry Colen wrote: Tonight it was neither cloudy, nor had the moon risen, so on my way home from aikido I pulled off into a moderately dark parking lot to try out my astrotracer. http://www.flickriver.com/photos/ellarsee/sets/72

Re: geso, first astrotracer experiments

2011-10-20 Thread P. J. Alling
Tim, think about what you just said. The stars are as close to infinity focus as anything you'll ever look at. On 10/20/2011 8:10 AM, Matthew Hunt wrote: On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen wrote: http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ Each was shot at a

Re: geso, first astrotracer experiments

2011-10-20 Thread Larry Colen
On Oct 20, 2011, at 5:38 AM, Steve Sharpe wrote: > At 11:21 PM -0700 10/19/11, Larry Colen wrote: >> Tonight it was neither cloudy, nor had the moon risen, so on my way home >> from aikido I pulled off into a moderately dark parking lot to try out my >> astrotracer. >> >> http://www.flickriver

Re: geso, first astrotracer experiments

2011-10-20 Thread Larry Colen
On Oct 20, 2011, at 5:10 AM, Matthew Hunt wrote: > On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen wrote: > >> http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ >> >> Each was shot at a different combination of ISO, shutter speed and aperture, >> varying from ISO 1600 to ISO 100.

Re: geso, first astrotracer experiments

2011-10-20 Thread Tom C
Steve Sharpe wrote: > Coincidentally, I was out a couple of nights ago in my field trying > to do the same thing with my old *ist D and a Tamron 17mm f3.5 > adaptall lens. I took a series of 30 second exposures at ISO 800 with > both noise reduction on and then off. I was racing an incoming cloud

Re: geso, first astrotracer experiments

2011-10-20 Thread Steve Sharpe
At 11:21 PM -0700 10/19/11, Larry Colen wrote: Tonight it was neither cloudy, nor had the moon risen, so on my way home from aikido I pulled off into a moderately dark parking lot to try out my astrotracer. http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ Each was shot at a d

Re: geso, first astrotracer experiments

2011-10-20 Thread Matthew Hunt
On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen wrote: > http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ > > Each was shot at a different combination of ISO, shutter speed and aperture, > varying from ISO 1600 to ISO 100. > > One thing that I learned is that I'm going to need to g

Re: geso, first astrotracer experiments

2011-10-20 Thread Tim Bray
Oooh... waiting for more. -T On Wed, Oct 19, 2011 at 11:21 PM, Larry Colen wrote: > Tonight it was neither cloudy, nor had the moon risen, so on my way home from > aikido I pulled off into a moderately dark parking lot to try out my > astrotracer. > > http://www.flickriver.com/photos/ellarsee/s

Re: geso, first astrotracer experiments

2011-10-20 Thread Larry Colen
On 10/19/2011 11:56 PM, Bob W wrote: From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of Larry Colen Tonight it was neither cloudy, nor had the moon risen, so on my way home from aikido I pulled off into a moderately dark parking lot to try out my astrotracer. at least,

RE: geso, first astrotracer experiments

2011-10-19 Thread Bob W
> From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of > Larry Colen > > Tonight it was neither cloudy, nor had the moon risen, so on my way > home from aikido I pulled off into a moderately dark parking lot to try > out my astrotracer. > at least, that's what you told the cop

geso, first astrotracer experiments

2011-10-19 Thread Larry Colen
Tonight it was neither cloudy, nor had the moon risen, so on my way home from aikido I pulled off into a moderately dark parking lot to try out my astrotracer. http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ Each was shot at a different combination of ISO, shutter speed and ap