Tony 73 Report post Posted January 4, 2019 I took this from Pasadena with a TRIAD filter from OPT corp that eliminates light pollution for emission nebulas letting through only H-Alph, H-beta and Oxygen wave lengths. I used my 4" Stellarvue refractor with field flattener, iOptron CEM 60 mount, QHYL8 camera. two hours and thirty minutes exposure yielded this image. clear cold nights have been good imaging weather here. Share this post Link to post Share on other sites
poppasmurf 376 Report post Posted January 4, 2019 Nice mate. I'm having massive guide problems at the moment so no imaging for me. Shane Share this post Link to post Share on other sites
Tony 73 Report post Posted January 5, 2019 That can be a real puzzle! I had awful Guiding problems with my earlier mounts that included a Meade LX90 on a wedge, a Vixen mount, finally success with my Celestron CGEM for several years but on occasion it just went nuts. Now I'm using an iOptron CEM60 that is the best ever. My guiding graph is nearly two flat interwoven lines and makes guiding a pleasure, but for how long before something changes? Who knows? hang in there. Share this post Link to post Share on other sites
Radar 589 Report post Posted January 23, 2019 Nice job Tony. Amazing what sits behind that light pollution. Ray Share this post Link to post Share on other sites
