(click for larger image)

 

Catalogue and alternative designations NGC 2736, The pencil nebula

 

Type Supernova Remnant 
Position 09 00.4, -45 54
Constellation Vela
Camera and Telescope STL6303E and 31.75 cm Ritchey Chretien
Focal Ratio F9
Exposure Details HaRGB 150:60:60:60 all 1x1 with Astrodon filters.  Two hours of OIII data were blended in with the blue and green.
Description This nebula is a bright filament of the Vela Supernova remnant, the centre of which is some 4 degrees to the west.  It is about 20' in length and some 800 light years distant.  Visually it shows up well with an OIII filter because of the large amount of OIII radiation in its emission.