M27 Dumbbell in Narrowband with RGB stars
© Allan Berzins
Tuesday, 1 June 2021
Celestron 9.25 with Atik 383L camera, Atik EFW2.2 filter-wheel and Astrodon filters
10 x RG and B at 3 minutes supplemented with HAlpha 12 x 10 minutes and OIII 16 x 15 minutes. Processed in PixInsight 1.8.8 and Photoshop CC