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27,331
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Mark Striebeck

I live in Silicon Valley, work at Google and am married to a wonderful wife with 2 awesome children.
I am working on YouTube on he creator side. Before that I worked on Gmail, testing infrastructure and Ads at Google. I used to be very actively involved in the Agile community (I even served on the board of directors of the Agile Alliance). Now, there is very little time for that.
In my spare time, I am taking astro images. And in winter, me and the kids are avid snowboarders.



Ranked: 251st in California Most Engaging This Month (by +1's)

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Ranked: 266th in California Most Engaging This Month (by Average Reach)

Ranked: 266th in California Most Engaging This Month (by Total Reach)

Ranked: 290th in California Most Engaging This Month (by Shares)

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Ranked: 441st in California Users (by Followers)

Ranked: 451st in California Most Engaging This Week (by Average Reach)

Ranked: 604th in California Most Engaging This Week (by Comments)

Ranked: 613th in California Most Engaging This Week (by +1's)

Ranked: 648th in California Most Engaging This Week (by Total Reach)

Ranked: 747th in United States Most Engaging This Month (by Engagement)

Ranked: 759th in California Most Engaging This Month (by Number of Posts)

Ranked: 774th in California Most Engaging This Week (by Shares)

Ranked: 796th in United States Most Engaging This Month (by Average Reach)

Ranked: 1050th in United States Most Engaging This Month (by +1's)

Ranked: 1135th in California Most Engaging This Week (by Number of Posts)

Ranked: 1156th in United States Most Engaging This Month (by Total Reach)

Ranked: 1190th in United States Most Engaging This Month (by Shares)

Ranked: 1244th in United States Most Engaging This Week (by Engagement)

Ranked: 1255th in United States Most Engaging This Month (by Comments)

Ranked: 1328th in United States Users (by Followers)

Ranked: 2264th in Male Users (by Followers)

Ranked: 2617th in California Users (by Follower Growth)

Ranked: 2699th in English Users (by Followers)

Ranked: 3140th in Users (by Followers)

Date Following Followers Gained
Recent Popular Posts
+478
31 Shares
About 2 weeks ago My favorite moment and picture of the worldcup so far. What an amazing sportsmanship to comfort your former opponent and point out that he was the man. ‪#‎worldcup2014‬
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About 10 weeks ago 250,000 - 400,000 years ago, the star in the middle of the Crescent Nebula (number HD192163) turned into a red giant. As a result, the star expanded rapidly, burned hotter and shed lots of material. Later, it became a so-called Wolf Rayet star burning even hotter and shedding more material faster. The Crescent nebula is from the area where the second, faster wave hits the first, slightly slower wave. The interaction of the two waves makes the material glow.
What's even more exciting, this star will become a supernova - we just don't know when. Although, because of its distance of 5000 light years, the supernova might have already happened. We just haven't seen it yet.

http://mstriebeck-astrophotography.blogspot.co.uk/2014/05/the-crescent-nebula-ngc-6888.html


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About 9 weeks ago M106 is a galaxy 20-25 million lightyears away. What's astounding about M106 is the supermassive black hole in the center of the galaxy. The mass of this black hole is about 30 million times the mass of our sun. As a comparison, the black hole in our milky way has a mass of 4 million suns. And the black hole in our milky way is not active (i.e. it's not actively eating up material) - whereas the black hole in M106 is very active. And because it is so big and active, it eats up a lot of material, and in the process emits some material back out with very high energy. These rays of high speed material slam into the gas in the galaxy, heating it up to over 1 million degrees (in comparison our sun is 10 million degrees hot on its surface!) and making it emit X-rays.
... that doesn't sound like the best galaxy to live in!

http://mstriebeck-astrophotography.blogspot.com/2014/05/m106.html


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About 5 weeks ago Wow - what a move!

Congratulations, Tesla!!!

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3 Shares
About 1 week ago Selfie 2...;)
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About 2 weeks ago I'm just gonna leave this here
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About 11 weeks ago M101 is a face-on spiral galaxy in Ursa Major in a distance of 21 million light years. Despite being in the Messier catalog, it was actually discovered by Pierre_Mechain in 1781.
I spend 25 hours on imaging and pretty much as much time processing this image - from a really dark location, you could get the same image in a quarter of that time :-S

http://mstriebeck-astrophotography.blogspot.com/2014/05/m101-pinwheel-galaxy.html


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About 1 week ago
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About 5 weeks ago Productivity taking a hit.
So glad that our Google cafes show all matches!
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1 Shares
About 9 weeks ago This image of M106 consist of 150 min Ha data, 110 min Luminance data and 60 min each RGB data. I used a light pollution filter (IDAS-P2 from Hutech) as the luminance filter for this image. I also used the HaRGBCombination script from Silvercup (instead of the SHO-AIP script that comes with Pixinsight). I found that it creates a better color mix. And finally, I used a different approach to process the luminance image.
Not bad for only 7.3 hours imaging time from my light polluted backyard - but when you zoom in you can see that this image could use more data.

http://mstriebeck-astrophotography.blogspot.com/2014/05/m106.html