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Uploaded 24-Jun-12
Taken 24-Jun-12
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Dimensions800 x 621
Original file size729 KB
Image typeJPEG
Color spacesRGB
Date taken24-Jun-12 16:37
Date modified24-Jun-12 22:05
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS REBEL T2i
Exposure1/8 at f/NA
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 1600
Metering modePattern
Solar prominences in Ha

Solar prominences in Ha

Date/Time: June 24, 2012 4:36PM PDT

Location: My home, Victoria, BC, Canada

There are a whole series of moderate sized prominences visible on the Sun, however one of two highlights is this huge haystack shaped prom with two holes in it at the 1 o'clock position.

Equipment: Hutech-modified Canon T2i dSLR a-focal through a 2.5x Powermate, IDAS VLC filter, & Lunt LS60THa + LS50FHa solar telescope mounted on an HEQ5 tracking mount.

Processing:
Adobe Photoshop Elements 10 - Crop, reduce colour depth to 8 bit, apply Sobel method edge detection.
Adobe Lightroom 4 - adjust brightness, annotate