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Catalogue and alternative designations

Abell 13, ESO 368-10

Type Planetary nebula
Position 06 04 48, +03 56 36 
Constellation Orion
Camera and Telescope STXL6303 and 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details This is a HaOIIIOIII image with Hydrogen Alpha = 210 minutes and OIII = 180 minutes.  All binned 2x2 with Astrodon filters.
Description Abell 13 is a seldom imaged planetary nebula of apparent diameter 2' 32.58".  It's quite faint with an apparent magnitude of 19.87 and seems to have almost no OIII component.