Most of the CGs – Cometary Globules – are in the outskirts of the Gum Nebula, CG12 here is located in Centaurus together with the reflection nebula NGC 5367.
More details at Astrobin.
IAS – Internationale Amateursternwarte e.V. – Hakos Observatory, Namibia
IAS remote telescope “Dieter”
Lacerta 12″ Newton f/4, ASA DDM85XL-A, QHY268M, Baader LRGB filters
120x L, 55x R, 54x G, 50x B 120s, mode 1, gain 56, offset 10, -5C, 20 flats, 30 darks, 50 bias
Total time: 33480s / 9h18
Data acquisition: IAS remote team / Martin Junius
Data calibration/integration: PixInsight WBPP
Image processing: PixInsight, BlurXTerminator, NoiseXTerminator, StarXTerminator, Lightroom