AstroSketches

Alpha Ridge Star Party

July 2nd, 2006
I have added a new photo of the moon to the astrophotography page. I took this with the camera on automatic shutter/F settings, focus to infinity, and telephoto zoomed to full. I have no photo or drawing, but in the telescope, the moon was particularly interesting. Toward the top, right on the terminator, were three craters. Because of the way the sunlight was hitting them, the were particularly beautiful. I tried to figure out which craters they were by checking with Starry Night, but I can’t seem to find them! This is partly because Starry Night used a full moon to model the moon, and just drew the terminator on. However, features change with the angle of the sun from what they look like during full moon. This makes it hard to match features from a full moon photo to those of a crescent moon photo.

In addition, I sketched Jupiter again (not on this site, it isn’t much different from the sketch on this page, and shows even less detail. But, it includes the four Gallilean moons and two stars. From East to West, we have Callisto, Ganymeade, Jupiter, Io, TYC5575-473-1, Europa, with HIP 70714 south of TYC5575-473-1. So it appeared as if Jupiter was with six moons. The moons and TYC5575-473-1 all had a strong yellow coloration, and HIP 70714 was white with a yellowish tint. Jupiter was yellowish with tow dark reddish-brown bands.

I saw M81 in my telescope but didn’t sketch it before losing it. (The seeing and transparency were ok, not great, despite predictions).

I took other astrophotos, but the moon photo I posted was the only one that really turned out well.

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