Archive for April 26th, 2007

East limb of the sun in white light on April 26

Thursday, April 26th, 2007

A new active region AR 10953 rotated into our view on the east limb of the sun yesterday. It has been about a month since there has been any solar activity of significance.

East limb of the sun in white light on April 26, 2007

White light image acquired with Celestron Nexstar11 telescope, F6.3 focal reducer, and Canon Xti camera (ASA 400, 1/3200 sec exposure). Images were cropped and then stacked and aligned with Registax4.

Mostly clear, high thin clouds, transparency good, turbulence 6/10, no wind, temperature 67°F.