M51 20-03-2012

My first attempt using a mono camera and R G B filters, cloud did cause me quite a lot of trouble throughout the night. Half a dozen times between 9pm and Midnight I lost the guide star. But the result was that I didn’t get as many as I hoped in each channel, and some of the frames that I used weren’t the best quality.

9 x 10m Red, Flats and Bias.
9 x 10m Green, Flats and Bias.
6 x 10m Blue, Flats and Bias.

Captured used the H9, SW FW, SW OAG, Baader RGB filters. Through the Vixen NA 140SSf.

Stacked in DSS, processed in PSCS2. Final alignment in Registar.

Very happy – looking forward to getting better quality subs and keeping the blue channel (stars) under control.

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