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Catalogue and alternative designations

DS1, ESO 215-4

Type Planetary nebula
Position 10 54 41, -48 47 06 
Constellation Vela
Camera and Telescope STXL6303 and 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details This is a HaOIIILRGB image with Luminance = 100 minutes, Hydrogen Alpha = 180 minutes, OIII = 180 minutes  and Red = Green = Blue = 40 minutes.  Luminance unbinned, colours binned 2x2 with Astrodon filters.
Description DS 1 is a planetary nebula discovered by John Drilling in 1983. It's quite large at 6x5  arcminutes.  OIII emission predominates causing the blue green colour.