Starship Asterisk*

Ann, Indeed OU4 raises very exciting questions ! In addition to my image, let me show here an animated gif displaying alternatively the Ha and OIII response of this field : http://www.astrosurf.com/zoll/images/CALMAR_HOanim.gif The OIII photograph is here more streched than the Ha one for ease to th...

Outters4, a newly discovered giant (planetary ?) nebula http://www.astrosurf.com/zoll/home.html Copyright: Stephane Zoll Here is a photograph of Outters4 (OU4), a giant nebula hidden in Sharpless 129, recently discovered by Nicolas Outters (http://www.outters.fr/images%20site%20astro/decouverte-OU4...