calamares

 Phew, this one needed a bit of time. Débil no es la palabra adecuada. The blue area is so dim, it wasn't discovered until 2011. Over three impossibly hot August nights, DarkTable helped a lot. Here is a trial of the data after the second night:

So I decided to add a third night. A little better, but it is a case of diminishing returns after a certain point. 12 hours later...

emission regions Ha sh2-129 flying bat and OIII OU4 squid in cepheus
veTEC571 on q150    140x5min @ hcg100