Excellent image set of images, Larry!
Dan Matyola http://www.pentaxphotogallery.com/danieljmatyola On Sun, Jul 15, 2018 at 7:00 PM, Larry Colen <[email protected]> wrote: > Someone pointed out that the green might actually be airglow, not some odd > artifact. I'd never heard of it before: > https://www.universetoday.com/112237/how-to-see-airglow-the- > green-sheen-of-night/ > > Larry Colen wrote on 7/15/18 1:12 PM: > > Some attempts at astro landscapes. >> >> I don't quite have it wired yet, but I'm learning things to try for next >> time. These were done with the rokinon 24/1.4 from the town of Mount >> Shasta. A couple of these might print up well. >> >> https://www.flickr.com/photos/ellarsee/sets/72157697414506681 >> >> 24mm isn't wide enough to get the full arc of the Milkyway, even >> positioned vertically. >> >> These were done with the DFA 15-30 using astrotracer from outside of >> Weed, just off of I-5. I was hoping the smoke from the fires would be >> beneficial for foreground effects, it may have caused more problems, >> possibly even the rainbow effect, I'm not sure. >> >> This set doesn't show the ones I tried with the 24/1.4 or the non >> astrotracer with the 15-30. I don't think I really got any keepers out of >> this set, but I learned a bit. >> >> https://www.flickr.com/photos/ellarsee/sets/72157698646538354 >> >> I should go back at about a half moon so that I can get shots both with >> no moonlight and also with Shasta lit after the moon rises. >> I need to do more overlap on the frames, particularly with the 15-30 >> The astrotracer really helps with the sky, and with the dark foreground >> doesn't make a lot of difference there. >> I should definitely bracket the photos. >> I wish there were stacking software that could separate the sky from the >> foreground and stack them each appropriately. Also software that could >> stitch an astrotracer sky with a non astrotracer foreground, while stacking >> them for HDR and panorama. >> I also wish the software would use the gps, accelerometer and compass >> data to make the stitching go faster. >> >> > > -- > Larry Colen [email protected] http://red4est.com/lrc > https://www.flickr.com/photos/ellarsee/collections/72157612824732477/ > > -- > 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.

