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.

