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Μ101 (and the supernova... of course)


AstroGS

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Managed to have some clear skies last night that allowed me to get the Stellamira ED90 Triplet out and go for the M101 and the supernova. I knew that I wouldn't have too long as it was supposed to get clouds around 1am so no more than 3 hours in total and probably about an hour of astronomical night.

32 x 300 sec subs + 50 flats, darks and bias

SM ED90 + Reducer/ Flattener x0.80 + ASI2600MC + L-Pro on a ZWO AM5. Integrated and processed with PI.

 

M101_almost_done.jpg

cropped_supernova_May2023.jpg

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1 hour ago, The Admiral said:

Very nice, detailed rendering in the cropped view. Your ED90 is performing well for you.

May I ask, did you use BlurXterminator on this, and if so, how much difference did it make?

Ian

Yes indeed - I did use BlurX and the difference was significant. Especially at the galaxy's structure.

I measure the Median FWMH from the luminance image and use that metric in BlurX - this is working very well for me, right now.

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37 minutes ago, The Admiral said:

Thanks for that. I've not got BlurX but as a matter of interest (sorry to go off-topic), what values were you getting?

Ian

If you refer to the median FWHM, usually it is between 1.8 and 2.2. For this particular image, it was 1.91.

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