Public Lab Research note


Research by cfastie 1024 research notes and wiki edits starting about 6 years ago


Invisible Rays

by cfastie almost 5 years ago | 4 | 6,808 | 1

Image above: My backyard in pure infrared light. A Wratten 87 filter allows only wavelengths ...

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Middlebury Meetup

by cfastie almost 5 years ago | 0 | 3,926 | 3

Image above: I made Bill lie on the ground to take this photo of the dual camera infrared rig...

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Middlebury Meetup April 30

by cfastie almost 5 years ago | 0 | 2,299 | 0

Image above: The Middlebury College Organic Farm on July 19, 2011. It won't look anything lik...

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DaffyCam

by cfastie almost 5 years ago | 3 | 4,033 | 1

Image above: Some of my favorite things are best done on windy days, but timelapse photograph...

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Rosco!

by cfastie almost 5 years ago | 9 | 10,950 | 4

Image above: Flowers of trailing arbutus (dark) and plants of hair cap moss (light) in a deta...

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CrocusCam

by cfastie almost 5 years ago | 3 | 4,070 | 1

Image above: Ned Horning dropped by while the CrocusCam was doing its crocus camera thing. I ...

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Superblue

by cfastie almost 5 years ago | 31 | 34,077 | 8

The new infrared camera under development at Public Lab will probably make two kinds of images th...

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Sanm LeafKam

by cfastie almost 5 years ago | 3 | 4,253 | 2

Top image: The distance between the lens centers is only 8 mm which reduces parallax errors....

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Bean Cam

by cfastie almost 5 years ago | 2 | 3,083 | 3

Image above: The bean studio right before photography stopped today. There is some wo...

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TAC Workshop

by cfastie almost 5 years ago | 0 | 2,914 | 0

I learned a lot at the kite mapping workshop I led yesterday for Toxics Action Center in Montpeli...

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Multispectral DeFelice

by cfastie almost 5 years ago | 4 | 3,148 | 1

Image above: NDVI image of part of the front yard at the LUMCON DeFelice Marine Center in Coc...

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PAR

by cfastie almost 5 years ago | 13 | 6,938 | 2

Chlorophyll and other pigments in green plants absorb blue and red light to power photosynthesis,...

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Light Amber

by cfastie almost 5 years ago | 5 | 4,615 | 3

Maple syrup grades are determined by the color of the syrup. The lightest colors are less common ...

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Polynomial

by cfastie almost 5 years ago | 4 | 4,424 | 3

Image above: Spectrum of a CFL calibrated by anchoring two well-known peaks at 405 and 650 nm...

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Noise

by cfastie almost 5 years ago | 3 | 2,468 | 2

Image above: (Top) Detail of a spectrogram of the sky and a vertically blurred version of it....

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Fraunhofer

by cfastie almost 5 years ago | 4 | 6,625 | 2

Image above: A spectrogram of the sky taken today by Ebert showing six Fraunhofer lines. The...

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Broadening

by cfastie almost 5 years ago | 0 | 2,506 | 3

Image above: Spectrum of a high pressure sodium street lamp taken last night by Ebert. The sp...

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Neon

by cfastie almost 5 years ago | 1 | 4,176 | 1

Image above: Detail of a neon sign of a Shindaiwa Power Broom. I took [Ebert]( http:/...

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Cigars

by cfastie about 5 years ago | 2 | 4,168 | 0

I had an hour to kill in Rutland today, and I walked a mile along the strip before I found this m...

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Ebert

by cfastie about 5 years ago | 15 | 10,035 | 7

The video below suggests that I had a plan for this new spectrometer, but that plan changed every...

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Grating angle: DVD+R

by cfastie about 5 years ago | 21 | 8,809 | 1

I measured angle g for multiple distances (D) between the entrance slit and the grating....

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Grating angle

by cfastie about 5 years ago | 14 | 8,003 | 7

Image above: Lab assistant operating the SpectroBench 2000. Introduction</str...

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Spectral image quality

by cfastie about 5 years ago | 8 | 5,437 | 0

Image above: Close up of some terbium and europium emission peaks in the spectrum of a compac...

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Jelly Belly

by cfastie about 5 years ago | 0 | 4,982 | 0

Over the holidays Galen and I were treated to dinner at the Waybury Inn in East Middlebury by our...

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