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Catalogue and alternative designations

NGC 1535, "Cleopatra's eye"

Type Planetary nebula
Position 04 14 16, -12 44 32 
Constellation Eridanus
Camera and Telescope STXL6303 and 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details This is a LHaOIIIRGB image with Luminance = 25 minutes, Hydrogen Alpha = 200 minutes, O III = 180 minutes and Red = Green = Blue = 30 minutes.  All unbinned
Description This is a relatively small planetary nebula (39") in Eridanus. The magnitude is 10.5 and the distance estimated to be between 5500 and 7500 light years. It's sometimes called Cleopatra's eye presumably because of the blue-green colour which indicates OIII emission