19-1-2011 Sun
發表於 : 2011-01-20, 11:21LS80T, Solar disc & prominence (DMK41), Sunspot (DMK21 +TV2.5X)
Nice!
Willis what is the gain and exposure time for the barlow projected image?
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發表於 : 2011-01-20, 11:21Re: 19-1-2011 Sun
發表於 : 2011-01-20, 12:04Re: 19-1-2011 Sun
發表於 : 2011-01-20, 17:05The full disk prom shows more details than last time. 
But how come the image is blurred?
But how come the image is blurred?
Re: 19-1-2011 Sun
發表於 : 2011-01-20, 22:28David 寫:The full disk prom shows more details than last time.
But how come the image is blurred?
Sorry I did it too quick. This was caused by the software artifact. It is a bit tricky to select the alignment point in order to obtain the full disc in drifting case. See this refined version. Isn't it the sun is hairy?
Re: 19-1-2011 Sun
發表於 : 2011-01-20, 22:31社長 寫:Nice!
Willis what is the gain and exposure time for the barlow projected image?
I don't remember! Let me check it when I back to school.