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Hi Marc - Thanks for the Thumbs up - it was a good result from a dissapointing evening.
Jase - Thanks for the compliments - I'm practically a Photo Shop virgin - the first attempts I made to blend using PS ended up a total disaster (always does) - so I resorted to using Pixel Math to mix the NB data - I had more H Alpha than anything else because it was the first NB Filter I bought. I don't know why the centre turned out green/yellow but as the image started to develop I had to work hard to keep the central stars from being swamped - which is why it ended up the colour it is - I didn't know how to fix it. The experience has open up some exciting options for the future though.
Frank - All the data I had was in fits format so it was easy to work with - I plate solve each image and using MAXIM DL I astometricaly align all images against a master image - this realigns and resizes them - then I realign all images using CCDIS in CCD Stack - that further refines the alignment - from there its a piece of cake.
Cheers
Geof Wingham
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