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Showing posts 51 - 75 of 85, (reverse)
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 06/01/2012 04:39:54 PM · #51
Originally posted by DrAchoo:
Fooled by a zombie thread!

I re-use this thread to post notices of photo-astronomical interest, but which don't (IMO) warrant a new thread of their own.

I have my preferences set to display threads in reverse order, so I always see the latest post at the top of the first page ...
 06/01/2012 08:42:34 PM · #52
Originally posted by GeneralE:

I have my preferences set to display threads in reverse order, so I always see the latest post at the top of the first page ...

+1


I too am hoping for clear skies Tuesday. I just received my 14x filter!
 06/01/2012 09:23:27 PM · #53
Here's a good site that shows how it will be where you are ToV. Japan gets a pretty good look. ;-Þ You can drag the pointer around the map and see the way the course of Venus changes against the face of the sun.
 06/03/2012 02:43:36 PM · #54
More on the Transit of Venus:

//eclipse.gsfc.nasa.gov/OH/transit12.html

//science.nasa.gov/science-news/science-at-nasa/2012/02jun_jamescook/
 06/03/2012 02:54:50 PM · #55
now the 14x filter will help -- but do I actually need one? I've taken pictures of the sun (unfiltered) before. If I'm not looking at it, can I do it? Or does it really need to be filtered since I'll be zooming in on it, instead of just having it part of a landscape?
 06/03/2012 03:41:10 PM · #56
Yes, you need to use a solar filter.
 06/03/2012 08:40:49 PM · #57
Drat... I can't get one in time without paying heaps and loads for shipping. :(
 06/03/2012 11:53:34 PM · #58
Originally posted by vawendy:
Drat... I can't get one in time without paying heaps and loads for shipping. :(


Call a hardware store and try to buy a piece of welder's glass. Just shoot through that while holding it up to the lens.
 06/04/2012 01:53:02 PM · #59
The Arc of Venus

Of course, today it clouded up and started to rain -- you'd think I was in Oregon or something ... don't know if I'll be able to see the sun tomorrow ... :-(
 06/04/2012 01:59:36 PM · #60
Originally posted by DrAchoo:
Originally posted by vawendy:
Drat... I can't get one in time without paying heaps and loads for shipping. :(


Call a hardware store and try to buy a piece of welder's glass. Just shoot through that while holding it up to the lens.


That's awesome, Doc! Thanks!
 06/05/2012 06:07:28 PM · #61
NO Venus today due to typhoon near Japan ... so cloudy all day, and it's just starting raining. Venus is supposed to start crossing the sun in about three minutes from now.
 06/05/2012 10:29:37 PM · #62
Astronauts have a pretty good view!
//www.nasa.gov/multimedia/videogallery/index.html?media_id=144496931
 08/08/2012 05:05:16 PM · #63
Interesting article from NASA with some new info on noctilucent clouds.
Originally posted by science.nasa.gov/...:
Astronauts on board the ISS took this picture of noctilucent clouds near the top of Earth's atmosphere on July 13, 2012.


Given that the increasing frequency and expanse of this phenomenon is potentially an indicator of rising atmospheric methane levels (see article), it perhaps makes this not such a pretty picture after all ... :-(
 08/08/2012 05:33:46 PM · #64
Originally posted by GeneralE:

Given that the increasing frequency and expanse of this phenomenon is potentially an indicator of rising atmospheric methane levels (see article), it perhaps makes this not such a pretty picture after all ... :-(


Damn cow farts!
 08/08/2012 06:41:42 PM · #65
Originally posted by kirbic:
Originally posted by GeneralE:

Given that the increasing frequency and expanse of this phenomenon is potentially an indicator of rising atmospheric methane levels (see article), it perhaps makes this not such a pretty picture after all ... :-(


Damn cow farts!

Exactly what Isaac said when I showed it to him ... but then I reminded him that (according to Dr. Oz) each human contributes to the global (over-)supply of methane an average of 14 times/day ... :-(
 08/11/2012 11:20:12 AM · #66
I just found the link for the Navy's updated astronomical data site — data available for all major Solar System objects, eclipses, etc. Paid for by our tax dollars, may as well use it!
 08/11/2012 01:47:12 PM · #67
I typically use //www.calsky.com/. It provides a nice almanac based on a variety of settings and will export to outlook.

And for those who would like an up close, and personal view: //orbit.medphys.ucl.ac.uk/. This is a space simulator that is quite remarkable.
 09/28/2012 07:45:46 PM · #68
I was checking out this guy's books on astrophotography, and was particularly glad to find this sample section on constructing a low-cost "barn-door tracker" for making time-exposures. Now, I just need a camera which can take time-exposures ... :-)
 11/09/2012 04:03:25 PM · #69
Here's an update on Camilla, the NASA Spokes-chicken

Originally posted by Linked Article:
"During one visit to Johnson Space Center, Clayton Anderson showed her the space toilet trainer,” Durscher recalls. “Camilla insisted on trying it out. She ended up getting sucked into the hose -- and stuck in the toilet. Luckily, we were able to free her. And we used the incident to teach how space toilets work."

On Nov. 14, 2012, Camilla will be in Australia to observe a total eclipse of the sun.  At the end of totality, she’s going to run “the Solar Eclipse Marathon,” a 26.2 mile race that begins when the first ray of sunlight lances over the edge of the retreating Moon.  As far as anyone knows, this is the first time a rubber chicken has run such a race. 

Camilla’s travel budget is very small, so certain measures are necessary for reasons of economy.  For instance, on airplane flights Camilla travels in the overhead compartment. "I ask her to keep quiet,” says Durscher, “but every now and then she lets out a disgruntled squawk. I just sit there like I don't hear anything."
11/09/2012 04:44:27 PM · #70
Ah yes, I remember when Camilla got launched to the stratosphere by a bunch of school kids! Now President Obama and Mitt Romney got the same trip!
 11/09/2012 06:06:34 PM · #71
Originally posted by GeneralE:
I was checking out this guy's books on astrophotography, and was particularly glad to find this sample section on constructing a low-cost "barn-door tracker" for making time-exposures. Now, I just need a camera which can take time-exposures ... :-)


Why has it taken me a few months to see this link? :) I love little projects like this. I'm all over it.
 11/09/2012 07:18:23 PM · #72
Originally posted by DrAchoo:
Originally posted by GeneralE:
I was checking out this guy's books on astrophotography, and was particularly glad to find this sample section on constructing a low-cost "barn-door tracker" for making time-exposures. Now, I just need a camera which can take time-exposures ... :-)


Why has it taken me a few months to see this link? :) I love little projects like this. I'm all over it.

It does seem right up your alley!

Upcoming total solar eclipse in Australia
 11/10/2012 08:59:49 AM · #73
Originally posted by DrAchoo:
Why has it taken me a few months to see this link? :) I love little projects like this. I'm all over it.


I'm going to be cruel and post this link :-)

Good reading for those considering building something like this. Warning, some math involved!
 11/10/2012 10:54:53 AM · #74
Originally posted by kirbic:
Originally posted by DrAchoo:
Why has it taken me a few months to see this link? :) I love little projects like this. I'm all over it.


I'm going to be cruel and post this link :-)

Good reading for those considering building something like this. Warning, some math involved!


ETA: To offset my earlier cruelty, here is an excellent discussion of barndoor construction.
 12/06/2012 03:22:43 PM · #75
There's a new photoseries and animation of "The Black Marble" (Earth at night) at NASA's Earth Observatory site ...

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