Sh2-129 and OU4 in Cepheus
Sh2-129 and OU4 in Cepheus is a realtively faint nebula in the Northern constellation Cepheus, also know as “Flying Bat” nebula. In 2011, French amateur astronomer Nicolas Outters discovered a faint OIII emission within Sh2-129 which nickname became “Squid Nebula” according to its shape, it’s official name is OU4. The small emission nebula below Sh2-129 is vdB-140.
The image is a combindation of narrowband (Ha, OIII) and RGB data. The field covers about 3.0° x 3.0°. North is up in this image.
Details
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Author:
Takahashi FSQ-106EDX III
ASA DDM85
Andor CG16M
Astrodon Gen2
HaOIIIRGB 620:680:110:150:120 min.
ROSA Remote Observatories Southern Alps
© Martin Rusterholz, Astrophotographer