Weak, weaker, weakest: Kronberger 61

This was my most elusive target until now.
Kronberger 61 is a planetary nebula only discovered in 2011 by an amateur astronomer while searching through the kepler satellite imagery. This nebula has a surface brightness of much less than 25 mag/arcsec^2 and therefore is very hard to detect.
This image was made using 30 minute exposures with a TEC140@f7/QSI583 with a 3nm astrodon OIII filter from about 18.5-19 mag skies.
Until now I didn’t find very many amateur images of this object except with much larger instruments. I’m trying to collect more data to see if I can bring out the structure in the nebula.
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