To be honest I'm not sure what this nebula is called. I do know that at least part of it is
SNR MC-ROXI J0459.9-7007 in the LMC.
RA 04:59:17.0 Dec -70:11:24
G 15
Ha 80 min (Luminance)
R 30 min
G 30 min
B 30 min

Also in the image is
LHA 120-N 186B, an emission object
RA 05:00:00 Dec -70:03:44

See if you can spot the open cluster NGC 1791 in the image below (RA 04:59:06.0 Dec -70:10:05)