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Solar Activity 16 May

brianb

By brianb
in Imaging - Solar

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brianb

brianb

Posted
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A very frustrating day with gradually thinning high cloud but much drifting low / mid level cloud which always seemed to be clearing but rarely did! A five hour observation period yielded just four short AVIs.

Overall disk activity remains low

Sun-100516-1135-CaK.jpg

1135 UT. Coronado PST CaK, prime focus, DMK41

Sun-100516-1306-Ha.jpg

1142 UT (disk), 1306 UT (proms). Solarscope 60, 0.5x focal reducer, DMK41

Note the activity on the north east limb, which I did manage to get a "one shot" close up of.

Sun-100516-1318-ARNE-X2.jpg

1318 UT. Solarscope 60, 2x barlow, DMK21.

Transparency poor with cirrostratus cover thinning to haze and extensive drifting mid/low level cloud. Seeing moderate. Temperature 15C, wind NW force 3-4.

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