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Solar Activity 08 Jan


brianb
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A nice clear day here with little wind and - amazingly - no fog! Temp very briefly above freezing but already falling, min -7.9C last night which is remarkable this close to the coast.

Old AR 1039 continues active, with a very small spot visible in white light together with a patch of faint faculae. It's a fine sight in CaK

Sun-100108-1208-CaK-AR1035-X2.jpg

2010 Jan 08, 1208 UT. 60mm @ f/16.7, Lunt B1200 CaK diagonal, DMK41

but even more exciting in Ha, framed by prominent filaments

Sun-100108-1218-Ha-AR1035-X2.jpg

2010 Jan 08, 1218 UT. Solarscope 60 @ f/16, DMK41

There are several small proms but the only significanr group is on the limb AR1035 has just come round

Sun-100108-1220-Ha-promNE-X2.jpg

2010 Jan 08, 1220 UT. Solarscope 60 @ f/16, DMK41

Transparency very good, seeing lacking jet stream smearing but with bad boiling, due to heat plumes from surrounding houses, underinsulated, which the very slight breeze is blowing through my line of sight to the Sun. Avistack deals with this sort of bad seeing very well!

Edited by brianb
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