Use my own way to blend Ha data on L channel taken with 1600 MM-C and R channel taken with 100Da. Of course not a correct method of merging narrow band data, and so the final image may look a bit weird
L=27x45s, Ha=4x240s, 100Da=5x60s, without any calibration in DSS
All taken with AP mount + 6"F4 newtonian + Vixen 1.4x extender PH, autoguided.
Ha data
Final play on M27 taken with 6"F4 newtonian
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