This tiny Planetary Nebula at mag 11.2 extends to 18 arc-sec and was discovered in 1836 by John Herschel.
At extreme stretching of the image some extended features can be observed.
Find a processing of Hubble data here.
Ha-OIII-RGB (280-360-120-120-120min), total 16,7 h, Seeing 0.8-1.2 arcsec, North is up;
80cm f/7 Astrooptik Keller corrected cassegrain, FLI Proline 16803, Astrodon Gen2 filters, Prompt 7 CTIO Chile
Find the combined image below in 200 % size and also an extremely stretched version in 160 % size.
The visible OIII blob marked with a box was discovered by the Galactic Planetary Nebula Halo Survey (GPNHS) Team in May 2018 using this image.