With Theo on the gondola, it’s time to start scanning. That is, after all, what we’re supposed to be able to do. As a telescope. The first thing to scan is a calibration source, mapping out Spider’s beams (how each detector sees a point source).
![Sun shields in the highbay Sun shields in the highbay • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9420444624/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3782/9420444624_43197f82b2_m.jpg)
Sun shields in the highbay
Getting antenna cables routed
![Natalie routes her GPS cables Natalie routes her GPS cables • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417678799/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3798/9417678799_d4f5569754_m.jpg)
Natalie routes her GPS cables
![Sean and Johanna on the cherry picker Sean and Johanna on the cherry picker • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417679179/" target="_blank">View on Flickr</a>](https://farm3.static.flickr.com/2845/9417679179_7597fa05b7_m.jpg)
Sean and Johanna on the cherry picker
Which is out tool of choice for accessing Theo on the gondola
![Backing in Backing in • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9420445692/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3768/9420445692_22f134542c_m.jpg)
Backing in
Carefully
![Setting up the beam map source Setting up the beam map source • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417679885/" target="_blank">View on Flickr</a>](https://farm6.static.flickr.com/5450/9417679885_1d027a107a_m.jpg)
Setting up the beam map source
Holding it up really high is the cherry picker's other purpose
![Fully extended Fully extended • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417680271/" target="_blank">View on Flickr</a>](https://farm8.static.flickr.com/7354/9417680271_712fe75e10_m.jpg)
Fully extended
![Spider seeing light Spider seeing light • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417680707/" target="_blank">View on Flickr</a>](https://farm8.static.flickr.com/7374/9417680707_98dddf8847_m.jpg)
Spider seeing light
With two telescopes open
![Beam mapping Beam mapping • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9420447228/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3673/9420447228_6380debd8e_m.jpg)
Beam mapping
![The source The source • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417681495/" target="_blank">View on Flickr</a>](https://farm8.static.flickr.com/7433/9417681495_5d13a7c5e0_m.jpg)
The source
A black board for the star camera to look at, and the thermal source on the right
![Scanning with all five telescopes Scanning with all five telescopes • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9420448008/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3833/9420448008_21094a8e92_m.jpg)
Scanning with all five telescopes
![Sun sensor, with aritificial sun Sun sensor, with aritificial sun • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417682185/" target="_blank">View on Flickr</a>](https://farm8.static.flickr.com/7401/9417682185_93c776ee22_m.jpg)
Sun sensor, with aritificial sun
Just to make the highby a little hotter, on a hot day with the big door open
![Watching science happen Watching science happen • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417682561/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3692/9417682561_c0dbbbc32d_m.jpg)
Watching science happen
Detector timestreams as they observe the source. Good watching
![Lorenzo repaired the espresso machine (since rebroken...) Lorenzo repaired the espresso machine (since rebroken...) • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417682931/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3733/9417682931_e7d5567366_m.jpg)
Lorenzo repaired the espresso machine (since rebroken...)
Because beam mapping involves a lot of waiting
![Mapping at night Mapping at night • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9417683301/" target="_blank">View on Flickr</a>](https://farm8.static.flickr.com/7354/9417683301_eeddd49589_m.jpg)
Mapping at night
You can see the orange glow of the thermal source
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