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Solar Activity 27 Mar (part 1)

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Author Topic: Solar Activity 27 Mar (part 1)  (Read 63 times)
brianb
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« on: March 27, 2010, 10:35:24 pm »

A showery day with a few sunny intervals in the morning. The Sun has a huge active area AR1057 not far from the meridian, this is visible to the naked eye (through eclipse glasses!)

Here it is in white light ...


2010 Mar 17, 1030 UT. FLT 110, 4x Imagemate (f/28), Baader solar film (ND5.0), Imaging Source DMK21 camera.

in CaK ...


2010 Mar 17, 1123 UT. FLT 110, "2x" Barlow (f/21), Lunt B1200 CaK diagonal, Imaging Source DMK21 camera.

and in Ha ...


2010 Mar 27, 1010 UT. Solarscope 60, "2x" barlow (f/24), Imaging Source DMK21 camera.

Just three minutes later, a flare was in progress:

1013 UT, other details as above.

There is an interesting area of activity near the meridian in the southern hemisphere, though without associated white light features:


2010 Mar 27, 1012 UT. Solarscope 60, "2x" barlow (f/24), Imaging Source DMK21 camera.


2010 Mar 17, 1126 UT. FLT 110, "2x" Barlow (f/21), Lunt B1200 CaK diagonal, Imaging Source DMK21 camera.

Here's an overview of the disc activity in hydrogen alpha:


2010 Mar 27, 1023 UT. Solarscope 60, prime focus (f/8), DMK41.

(continued in part 2)
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