After a long hiatus from the group I processed the recent C088 data posted to DSLR AIP. Sh2-113 and Sh2-114, very faint H-alpha emission nebulae in Cygnus with some surrounding OIII streaks.
Continue readingFlying Dragon Nebula (DSLR-AIP C088)
Tag Archives: cygnus
NGC 6888 – Crescent Nebula – Bicolor
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 readingNGC 6888 – Crescent Nebula – Ha
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 readingNorth America and Pelican
Continuing the explorations with the QHY268M, a two panel H-alpha mosaic. And the first time I used NINA to control the imaging session.
Backyard astrophotography in light-polluted Cologne-Dellbrück (SQM 19.7)
Skywatcher Esprit 100/550 ED, Skywatcher Flattener, Optolong Ha 7nm / QHY268M
OAG with Lodestar X2
Mount AZ EQ6 GT
Image acquisition: CdC, NINA, PHD2, dithering
Ha: 2 x 6 x 600s, mode 1, gain 56, offset 10, -5C, 10 flats, 50 bias, 20 darks
Data calibration/integration: PixInsight
Image processing: PixInsight, Lightroom, two panel mosaic