SH2-129 and OU4 by Matt Dahl Via Flickr: Sh2-129 and OU4 - The Flying Bat and Squid Nebulas Taken August 13-15, 17, 18, and 22-29 and September 3, 5, 6, and 27-29, 2020 near Seattle, Washington Telescope: Astro-Physics 130GTX @ f/4.5 using Astro-Physics Quad-TCC Camera: QHY600M Filters: Chroma Ha and OIII, 3nm Guide Camera: Starlight Xpress Lodestar Mount: Astro-Physics 900GTO with CP4 and Astro-Physics Mach2GTO and APCC-Pro Capture Software: SGPro and NINA Exposure: Ha: 40 hours 30 minutes (162 x 15 min, bin 1x1) OIII: 38 hours 30 minutes (154 x 15 min, bin 1x1) Total Integration Time: 79 hours Processed in PixInsight 1.8.8-6 NB Combination: R = HA G = 15% Ha + 85% OIII B = OIII