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AR 11163 & AR 11164


brianb
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... have just come round the limb; AR 11163 isn't much ...

Sun-110226-1135-WL-AR11163-FLTX4.jpg

2011 Feb 26, 1135 UT.

... but AR 11164 is complex & with scope for lots of flare activity.

Sun-110226-1134-WL-AR11164-FLTX4.jpg

2011 Feb 26, 1134 UT.

Here's a hydrogen alpha view of the north east area of the disc showing the ARs and related prominence activity:

Sun-110226-1339-Ha-AR11163-AR11164-FLTX2.jpg

2011 Feb 26, 1339 UT.

All images made with William Optics FLT 110 4.3" f/7 fluorite triplet refractor & Imaging Source cameras. White light images with Lunt solar wedge, ND 3.0 & W29 (deep red) filters, 4x Powermate, DMK21. Ha with Solarscope SF-100 Ha filter set, 2x Powermate & DMK41.

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