John McDonald

Uploaded 24-Feb-15

Taken 17-Feb-15

Visitors 449

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Info

Photo Info

Dimensions2000 x 1125

Original file size566 KB

Image typeJPEG

Color spaceAdobe RGB (1998)

Date taken18-Feb-15 05:06

Date modified24-Feb-15 16:30

Shooting Conditions

Camera makeCanon

Camera modelCanon EOS 6D

Focal length15 mm

Max lens aperturef/2.8

Exposure964s at f/4

FlashNot fired, compulsory mode

Exposure bias0 EV

Exposure modeAuto

Exposure prog.0

ISO speedISO 100

Metering modePattern

Star trails around Polaris

Star trails around Polaris taken at the 2015 Alberta All Star Party.
02/18/2015 05:05:54 UTC.
Canon 6D (modified) on iOptron Skytracker mount.
5x16 min exposures at ISO 100 and f/4 using a 15 mm Sigma lens.
Processing in Adobe Camera Raw and Photoshop.