M42 – NarrowBand – Hubble Palette


Simon Todd

Cork, Ireland

Celestron C80ED APO Refractor
Skywatcher NEQ6 Pro Mount
ATIK 383L+ Mono CCD
StarlightXpress 7x36mm EFW
Astro-Tech AT2FF Field Flattener

This is my updated version of M42 with two different exposure times combined

11x120S in HA, OIII and SII
11x900S in HA, OIII and SII

All exposures were done in

HA 7nm – Mapped to Green and also used as luminance
SII 7nm – Mapped to Red
OIII 7nm – Mapped to Blue