Two more clear nights in August allowed for capturing OIII data for the NGC 6888 field, so here comes a bicolor processing.
Details at Astrobin.Continue reading
Still a work in progress, mastering the QHY268M with the Optolong LRGBSHO filter set. Seems like a setup with reserved filters is required for the Esprit 100 ED with the original flattener, in order to avoid strange reflections from bright stars such as Deneb or Sadr. Shooting a familiar target here.
Technical details at Astrobin.Continue reading