Good point. stan
On Oct 15, 2013, at 7:48 PM, Paul Stenquist wrote: > I think there are times when the subject of a photo is so significant that > centering is desirable. This is one of those times, > > Paul via phone > >> On Oct 15, 2013, at 7:38 PM, Stan Halpin <[email protected]> wrote: >> >> Very nice indeed! >> >> Note that the following is a serious question and is in no way intended to >> diminish your accomplishment and the complexity of producing this sort of >> image . . . >> >> A classic problem with newbies is the tendency to put the main subject in >> center-frame. A similar problem with us more experienced types (i.e., >> oldies) is to ignore composition while working through new techniques. So, >> in that context my question is whether the composition in your m31 shot is >> satisfactory for you, or if it is just incidental to the experimentation >> process? I also wondered if there is something about the way the astrotracer >> works that makes it desirable or even necessary to center the main subject . >> . . I like the image but would like to see it cropped to bring the m31 >> downwards and to the right. Or re-shot with that framing in mind. >> >> stan >> >>> On Oct 15, 2013, at 7:00 PM, Darren Addy wrote: >>> >>> Y'all may recall >>> (hey, that rhymes!) >>> the m31 (Andromeda galaxy) image I shared a few days ago. It was a >>> single 45 second exposure and made from a single in-camera JPEG (not >>> even the RAW file). >>> Refresher link: http://www.flickr.com/photos/pixelsmithy/10181475554/ >>> >>> Well, I finally got to attempt my first use of the freeware >>> DeepSkyStacker (version 3.3.3 beta 51) and with it I stacked the 11 >>> "good" RAW images that I had taken that evening. Added together, they >>> represent a 6 minute "integrated" exposure time. >>> >>> The latest versions of DSS also let you work with the histogram (in R, >>> G, & B), luminance, and saturation, along with the curves. I then >>> applied a few Photoshop astrophotography-related actions and adjusted >>> the color-balance, which seemed a bit green to my eye. Here is the >>> result: >>> >>> http://www.flickr.com/photos/pixelsmithy/10299785464/ >>> >>> This is still not even doing everything "right" because I was working >>> with no "dark frames", "bias frames", or "flats" which would make for >>> an even better stacked image (especially where noise is concerned). >>> Still I'm pretty pleased with the result, for my "maiden DSS voyage". >>> >>> K-5ii, O-GPS1, ISO 800 K135mm f2.5 @ f4 >> >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

