This ancient and very faint planetary nebula in Carina is named Kn 70. It is measuring 1.2 x 0.5 arc-minutes. It is only visible as a remnant north of the blue central star This is a confirmation image for the PN discovered by Matthias Kronberger in 2013.
Ha-OIII RGB (Ha 6x40m, OIII 6x40m, R 5x20m, G 5x20m, B 5x20m) total 13 h, Seeing 0.8-1,2 arc-sec, north is up
80cm f/7 Astrooptik Keller corrected cassegrain, FLI Proline 16803, Baader Filters, Prompt 7 CTIO Chile,
Processing: Johannes Schedler
Find a version in 33/70% below
Find a 100% center crop with the blue central star marked below.