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As I mentioned on this thread I’ve tried Astronomy Tools FOV calc and I don’t agree with outcome on the image displayed, maybe because they don’t have my telescope listed in the presets ??
M8 Lagoon Nebula is approximately 90 arc minutes x 40 arc minutes in size
My set up according to astro maths is 77 arc minutes x 51 arc minutes in FOV confirmed by a few IIS members on this thread but according to the AT image produced, my set up easily fits around M8 with heaps of room to spare
Somethings not quite right ?
So Im sticking to Astro maths, as I do for everything else in Astronomy both visual and AP
Proof in the pudding will be when I get a chance to image M8 end of May / early June
I will post the image and a brief note on the above posted topic
Cheers
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