Helix Nebula - Bi-Colour

Helix Nebula Bi Colour Narrow Band

Instrument Used: RCOS 10" / CCD STL-11000M / Mount AP-900 / Baader Filters Ha and OIII

Bi-Colour Ha OIII OIII

Imaged 15 Km from Melbourne CBD. Strong Light Pollution / Seeing 7.5/10

Done