doncooke's latest activity

I've been told it's temperature differences in the much-narrowed "tube" of atmosphere that the tiny visible remains of direct sunlight go through. I guess that usually these get averaged out when the light is going through the much wider (angular...

Is the shimmer from the sun and irregular edge of the moon or could it be from temperature differences and refraction of sunlight in our atmosphere when it and the land starts to cool off from the eclipse shadow itself?

Thanks, Robert! I've seen a couple of totals plus the annular last October. I'm resigned never to get pictures of the sun as good as yours, and am more curious about seeing the shimmering light on a white surface just before and after totality...

I'm a full-time RVer and plan to observe from somewhere along totality, probably around Uvalde (!) Texas. My intention is to fly video (Mini II) 400' up, pointed in the direction the shadow's coming from. The shadow moves about 1500 MPH over the...

I'm a full-time RVer and plan to observe from somewhere along totality, probably around Uvalde (!) Texas. My intention is to fly video (Mini II) 400' up, pointed in the direction the shadow's coming from. The shadow moves about 1500 MPH over the...