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Uploaded 12-May-12
Taken 11-May-12
Visitors 107
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Dimensions1200 x 707
Original file size1.04 MB
Image typeJPEG
Color spacesRGB
Date taken11-May-12 14:29
Date modified12-May-12 11:50
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
Huge solar prominences in Ha wavelength

Huge solar prominences in Ha wavelength

Date/Time: May 11, 2012 2:28PM PDT

Location: My home, Victoria, BC, Canada

Some huge prominences are visible today: a big haystack-shaped prom and some other proms with hanging loops of plasma are visible in this Sobel-enhanced image.

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: Photoshop Elements 10 - 'Liquid Edges' or Sobel method applied to 8 bit version of image
Joseph A. Carr www.JoeCarr.ca
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