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Catalogue and alternative designations HaTr 9, PK 351-10.2
Type Planetary Nebula
Position 18 08 58, -41 48 24
Constellation Corona Australis
Camera and Telescope STXL6303 and F9 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details HaOIIIRGB image with Hydrogen Alpha = 210 minutes, Oxygen III = 300 minutes, Red = Green = Blue = 30 minutes with all binned 1x1. Astrodon and Chroma filters. 
Description HaTr9 is one of 14 low surface brightness planetary nebulae cataloged by Herbert Hartl and Sue Tritton in 1985. It's reasonably large at 2.7 arcminutes and very reddish in colour because OIII is almost absent.