Seems like everyone as of late are posting the Medusa nebula (including
Pete Bouras' IOTD). Mine is no where as good as any of them, but it is the object I used to check on my recently returned EdgeHD11 from Celestron (had it in for cleaning and maintenance) and my new Optolong filters and 2" FW.
I had lots of problems getting this object imaged. One is the lack of sufficient data in S2. The other was the fact that the focus on the Blue filter was off and so I got some wonky stars. Oh well, enough of the sad commentary, here it is.
There was was another issue I had but that is going to be discussed in my blog in the upcoming days. You might have noticed that I didn't do any calibration on these subs - no darks, no flats. This was because of something that was occurring in the Pi WBPP script that essentially wrecked my Ha stack. The O3 and S2 data were fine. Not sure why this happened, but I am researching it.
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