Shapley 1 in the constellation Norma (the Carpenter's Square)
This planetary nebula is an almost perfect circular ring in the sky. The age of the nebula was determined to be about 8700 years.
![](https://usercontent.one/wp/astroimages.bine-und-franz.de/wp-content/uploads/sp1_onjala_cdk_2048px.jpg?media=1678043631)
Date: | 01.08.2021 |
Optics: | Planewave CDK 12.5 with Televue 0.8x reducer |
Aperture: | 318 mm |
Focal Length: | 2030 mm |
Camera: | Canon EOS 700Dac |
Exposure: | 24 x 300 s |
Location: | Chamaeleon Observatory, Onjala Lodge, Namibia |
Processing: | Nebulosity, StarTools, Starnet++, Photoshop |
Diameter: | 1.5 light years |
Distance: | 4,900 light years |