This image of the Sun has the surface blacked out to showcase the great prominences on the solar limb.
Telescope: Lunt Solar Systems LS60THa/B1200CPT
Accessories: JMI EV1n motorized focuser; LS50FHa Double-stack etalon
Mount: Takahashi EM-200 Temma2
Camera: Imaging Source DMK31
Exposure: 59.2ms
Gain: 438
Length: 1:30 @ 15fps
Acquisition: Fire Capture
Processing: Registax 6
Post-processing: ImagesPlus 5.0; Adobe Photoshop CS5
Capture time: June 23, 2013, 9:56am
Capture conditions: 86.5ºF; transparency: Poor 1/5; seeing: Excellent 5/5
Location: Hendersonville, TN, USA