Author Archives: johnb

About johnb

- Director of Grainger Observatory, Phillips Exeter Academy. - Variable-star-crazed astronomer, but have done research in other areas. - Drummer, archer, pilot, chef, friend, pet owner, husband, father, Train-nut.

SDSS BOSS Plate 6192

Thanks to the fine carpenters at the Academy, we now have our Sloan Digital Sky Survey (SDSS) plate mounted and hanging on my classroom wall. It has been encased in a wooden box filled with ornamental lights, giving it that … Continue reading

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That Funny Figure 8 Shape

We have come a long way since the days of photography with film (and YES I still use film when it is warranted)… digital cameras have made this particular project a lot less worrisome and a lot easier, though it … Continue reading

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Sun Dogs and Parhelic Circles!

We had some pretty spectacular atmospheric optical phenomena going on this afternoon. Just past noon here in Exeter, I received a text from a fellow science teacher (Scott Saltman) telling me to go out, look up, and bring a camera. … Continue reading

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San Pedro de Atacama and ALMA

Getting to the Atacama Large Millimeter/Sub-millimeter Array (ALMA) radio observatory is done via road. The nearest town with lodging is San Pedro de Atacama, a town of about 3900 people at an altitude of 2400m (7900 feet). Getting to San … Continue reading

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Cerro Tololo: A Summit of Telescopes

Our arrival on Cerro Tololo was late in the afternoon after a full day up at Cerro Pachon and the Gemini South campus. While the two mountaintops are relatively close to each other (10km), it takes hours to get from … Continue reading

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