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Uploaded 28-May-09
Taken 28-May-09
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Dimensions532 x 757
Original file size167 KB
Image typeJPEG
Color spacesRGB
Date taken28-May-09 16:22
Date modified28-May-09 17:44
Shooting Conditions

Camera makeOLYMPUS IMAGING CORP.
Camera modelu770SW,S770SW
Focal length6.7 mm
Max lens aperturef/3.5
Exposure1/30 at f/3.5
FlashFired, auto mode
Exposure bias0 EV
Exposure modeAuto
Exposure prog.Normal
ISO speedISO 400
Metering modePattern
Digital zoom1x
Multiple solar prominences - Sobel edges

Multiple solar prominences - Sobel edges

Date: May 28, 2009 4:22pm PDT
Location: Victoria, BC, Canada

The flare at 10 o'clock was twin spires with the second spire detached from the surface. The flare at 8 o'clock was very special - a perfect circle with a lovely black hole in the middle. Unfortunately the photos don't do it justice, since the camera's autofocus just wasn't up to the job. The flares at 7 o'clock formed a virtual forest of flares of various shapes.

Equipment: Olympus u770SW point-and-shoot digital camera a-focal through Lunt LS60THa + LS50FHa solar telescope mounted on an Astrotrac & Manfrotto 055 tripod.

Processing: ACDSee Pro 2.5 - moderate contrast stretch, crop. Edge detect:Sobel.