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Uploaded 1-Aug-11
Taken 30-Jul-11
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Dimensions1100 x 1070
Original file size654 KB
Image typeJPEG
Color spacesRGB
Date taken30-Jul-11 12:02
Date modified1-Aug-11 12:00
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS REBEL T2i
Focal length0 mm
Exposure1/100 at f/1
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 1600
Metering modePattern
Solar Prominences & Sunspots 1263 & 1260

Solar Prominences & Sunspots 1263 & 1260

Date: July 30, 2011 12:02pm PDT
Location: Metchosin Cricket Field, Victoria, BC, Canada

Solar observing at the RASCals Star Party was particularly rewarding this afternoon. The Sun had multiple large prominences, some had detached from the Sun's surface and were floating into space.

We also observed two large sunspots: 1263 are the pair on the left, and 1260 is the single on the right.

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.

Exposure: 1/100 second at ISO 1600
Bandpass: <0.55 Å