by Craig and Tammy Temple
This 4-panel mosaic of the Sun, taken on October 1, 2011, shows many
sunspots, plages, and filaments. The sunspots, some of the plages, and
some of the filaments are contained in areas of the Sun called active
regions. The active regions that are visible in this image, from the
lower-left edge to the upper-right, are AR1301, AR1302, AR1305, AR1306,
and AR1307.
Telescope: Lunt Solar Systems LS60THa/B1200CPT
Accessories: LS50FHa Double-stack etalon
Mount: Takahashi EM-200 Temma2
Camera: Imaging Source DMK31
Exposure: 1/154sec.
Gain: 550
Length: 1:00 each
Acquisition: IC Capture.AS (Uncompressed AVI) @ 30fps
Processing: AVI Stack 2: align, stack
Post-processing: ImagesPlus 4.0; Adobe Photoshop CS5; Carboni’s Tools
Capture time: October 1, 2011, 10:17am - 10:23am CDST
Capture conditions: 57.2°F - 60.4°F; transparency: Avg. 3/5; seeing: Avg. 3/5
Location: Hendersonville, TN, USA