M81 and M82 with integrated iflux


Martin Bradley


Scope: Tak FSQ 106 with 0.73 reducer
Camera: QSI 532 wsg

About 10 hours of luminence in a mix of 5 and 10 minute subs.
1 hour each colour channel 6 minute subs

I visited a dark sky location southern France several years ago and gathered luminence data aiming to capture the “integrated flux”, the very faint nebulosity around these galaxies which results from dust within and illuminated the Milky Way itself.

I recently gathered some colour data from my home in Chesterfield and have now completed the LRGB image