M82 Galaxy with & without H-alpha light

Details:


Guiding with active optics, SXV-AO with single shot QHY8 cooled 6mb astrocamera.
Platform, LX200 GPS 12"@f6.3


Exposures: RGB with IDAS LP filter, 11x900s. 6x1200 + 6x2400s with 7nm H-alpha filter.









Same galaxy but without H-alpha information. 11x900s with IDAS LP filter