800Whrs+ Staying Up Late ideas |
800Whrs+ Staying Up Late ideas |
Jun 6 2009, 07:04 AM
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#1
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
With Spirit producing an annoyingly large amount of power given her current predicament, the time may well have come to re-open the Gusev astronomy society. Anyone have any dusk / nightime observation ideas?
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Jun 6 2009, 06:03 PM
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#2
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
I agree that recovering an orbiter would be very important, but check this post.
In terms of imaging Venus-Earth, does your planetarium software tell you their elongation from the Sun? That's the big question, since it determines how bright the sky will be when they're up. In terms of UV aurora, L7/R1 transmit almost nothing below 400 nm, so those auroras would have to extend into the visible. I agree low sun angle shots would be great to have, revealing a lot about topography (and looking spectacular too). And low sun movies even more so. Zodiacal light would be great too, but probably hard. If I recall right, the sky stays bright very long after sunset due to all the dust in the air. But then we could characterize precisely how long the sunset glow is visible by taking a long time series until it's completely dark. That would tell us something about dust high in the air, presumably. Another factor in this is the currently low tau, which would help nighttime observations generally. Finally, in the almost-certainly-of-no-scientific-value-but-extremely-cool category, I would love to see a 4x1 navcan panorama time series, extending from Grissom Hill to Husband Hill, and starting just after dark in the early morning and running every 10 minutes or so until a while after sunrise. Imagine the first glimmer of the morning Sun on Grissom, and then eventually the shadows of the Columbia Hills receeding towards us from across the plains, and finally the sunlight striking Tsiolkovsky and West Valley. |
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