NGC 6818 in the constellation Sagittarius (the Archer)

NGC 6818 is a bright but small planetary nebula. Despite moderate seeing, a few details could be captured with very short exposure times. The age of the nebula is about 9000 years.

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Optics: Planewave CDK 12.5 with Televue 0.8x reducer
Aperture: 318 mm
Focal Length: 2030 mm
Camera: QHY163M
Exposure: R:G:B 800:800:800 x 1 s
Location: Chamaeleon Observatory, Onjala Lodge, Namibia
Processing: Nebulosity, StarTools, Starnet++, Photoshop
Diameter:1 light year
Distance:6700 light years
annotated image

image field in the sky