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Showing posts with label telescopes. Show all posts
Showing posts with label telescopes. Show all posts
Monday, August 12, 2013
SolderSmoke Podcast #154
SolderSmoke Podcast 154 is available for download!
http://soldersmoke.com/soldersmoke154.mp3
August 11, 2013
-- Alligators! Real Alligators! (see picture below -- look closely)
-- Ten meter beacon project (with Arduino and Reverse Beacon Network)
-- Telescope repair: Chap Stick as lubricant, and the perils of macular pucker!
-- HW-101 saved from cannibalism!
-- The Wonders of WSPR and our need for instant feedback and gratification.
-- QST Review of SolderSmoke, The Book.
-- MAILBAG
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
beacon,
HW-101,
SolderSmoke Podcast,
telescopes,
WSPR
Wednesday, July 31, 2013
Soul in an Old Telescope
I like this telescope. The owner built it in 7th grade and is still using it at age 70. I'm still using the Drake 2-B that I bought with newspaper route money, so understand the sentiments.
http://makezine.com/2013/07/29/through-a-diy-telescope-brightly/
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
Drake 2B,
telescopes
Friday, November 16, 2012
Uncle Sam Wants You! (Well, really your Telescope)
I don't think they will be that interested in my $50 Tasco 4.5 inch reflector, but I am thinking about sending in a proposal for a 1.2 million dollar series of upgrades for the old 'scope!
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
astronomy,
satellites,
telescopes,
video
Thursday, September 27, 2012
Real DX: Hubble's EXTRA Deep Field
http://www.clarksvilleonline.com/2012/09/26/nasas-hubble-space-telescope-takes-deepest-image-of-the-universe-to-date/
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
astronomy,
telescopes,
video
Thursday, June 21, 2012
"The Journey to Palomar"
This is a wonderful documentary that will definitely appeal to SolderSmoke listeners. Check out Jim Gunn working on the electronics for the CCD cameras that they attached to the 200 inch 'scope (described in Preston's "First Light").
Once again, sorry if readers outside the U.S. have trouble with this link. I hope you all can find other ways to see this video.
http://www.hulu.com/watch/76165
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
astronomy,
telescopes,
video
Wednesday, June 20, 2012
SolderSmoke Book Review: "The Day We Found the Universe"
I find myself reading a lot of books about telescopes and cosmology. I guess this is related to the desire to pull weak DX signals out of the noise. And I like the descriptions of the gear used to pull info out of the star light. These are, after all, big antennas.
I really enjoyed this book by MIT's Marcia Bartusiak. She describes humanity's effort to find our place in the cosmos. As she points out, the conventional wisdom seems to be that until Edwin Hubble came along everyone thought that the Milky Way was the universe. As it turns out, it is not that simple -- going back to the time of Kant, there were scientists who suspected that the nebula that were showing up in telescopes were in fact "island universes." Bartusiak takes us through the ups and downs of this idea, and in the course of the book provides some really great descriptions of the astronomers involved in the struggle to understand the nebulae. Most of them were great people. Others, well, not so great. George Ellery Hale comes out as one of the heroes, and Bartusiak seeks to refute the notion that Hale was schizophrenic -- he was clearly suffering from depression, but Bartusiak says that the story about him being advised by a "little elf" was just an oft-repeated myth. Edwin Hubble gets a decidedly mixed review.
My guess is that the title was selected by the publishing company's marketeers, and I think it was a poor choice: the whole point of the book was that we didn't find the universe in one day. It took a lot longer than that!
Anyway, if you are looking for a good summer read, I recommend this book. You can get a copy through the link above.
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
astronomy,
books,
telescopes
Wednesday, June 6, 2012
Transit of Venus
Yesterday afternoon at around 5:55 pm local time I was pedaling along the Washington and Old Dominion bike trail, on my way home from work. I was pedaling a little faster than normal because I wanted to try to see the transit of Venus. I came across a group of amateur astronomers who had set up their scopes alongside the trail -- they were nervously looking at their watches and the clouds. I told them that I was going to set up my scope too. "Hurry up! You'll miss it! It starts at 6:04!" I pedaled even faster.
The cloud cover was fairly thick, but just as I pulled into my driveway, the clouds broke and sunshine filled the front yard. I quickly set up the 'scope and got the sun in the field of view. First I saw sunspots -- lots of them. Then, sure enough, off near the rim was the unmistakeable shadow of Venus. Billy took the picture (above) with his I-phone 4. The neighbors and all the kids in the neighborhood came over and had a look. It was all very cool. Mission accomplished.
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Labels:
astronomy,
telescopes,
venus
Sunday, April 8, 2012
We need more sunspots!
Conditions on 17 meters are bad today. I pulled out my 6 inch reflector telescope to do some troubleshooting on ol' sol. Yea, just as I thought: one measly sunspot. Confirmed by the SOHO image above.
There was a discussion on QRP-L recently about historical solar flux data. I started wondering what the SFI was on the day I was born. A few clicks with google brought the answer: On September 14, 1958 SFI was close to 300. Today it was 94. :-(
Something should be done about this! Write to your Congressman! Demand more solar activity!
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"http://soldersmoke.com/book.htmOur coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmokeOur Book Store: http://astore.amazon.com/contracross-20
There was a discussion on QRP-L recently about historical solar flux data. I started wondering what the SFI was on the day I was born. A few clicks with google brought the answer: On September 14, 1958 SFI was close to 300. Today it was 94. :-(
Something should be done about this! Write to your Congressman! Demand more solar activity!
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"http://soldersmoke.com/book.htmOur coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmokeOur Book Store: http://astore.amazon.com/contracross-20
Labels:
propagation,
solar cycle,
telescopes
Saturday, March 24, 2012
The Giant Magellan Telescope
Wow, seven 28 foot mirrors! They just started blasting away the top of a mountain in Chile to make room for this magnificent 'scope. More details here: http://www.gmto.org/index.html
For those of you who are looking, they have some job openings (link at the bottom of their site).
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"http://soldersmoke.com/book.htmOur coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmokeOur Book Store: http://astore.amazon.com/contracross-20
For those of you who are looking, they have some job openings (link at the bottom of their site).
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"http://soldersmoke.com/book.htmOur coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmokeOur Book Store: http://astore.amazon.com/contracross-20
Labels:
astronomy,
Chile,
telescopes
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