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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.


Backyard photoelectric photometry. An introduction to photometers being used by amateur astronomers.
ASTRONOMY Feb 1983 (v.11#2) pg. 51

Getting started in photoelectric photometry (the measurement of light intensity). Part 1. How a photometer works. Tips on selecting and using inexpensive photoelectric photometers on your telescope.
ASTRONOMY Jun 1986 (v.14#6) pg. 65

Getting started in photoelectric photometry (the measurement of light intensity). Part 2. Photometry of variable stars and asteroids. How to choose individual targets for observation, how to make the appropriate observations, what to do with the resulting data, and what can be learned from these studies.
ASTRONOMY Jul 1986 (v.14#7) pg. 58

Catch an extrasolar planet. Using CCD photometry to detect a planet orbiting a star.
ASTRONOMY May 2002 (v.30#5) pg. 76

Filters for CCD photometry. Choosing proper filters for astronomical photometry.
CCD ASTRONOMY Fall 1995 (v.2#4) pg. 20

Super system. Assembling an ideal CCD system for photometry. Selecting a chip, camera head, software, etc.
CCD ASTRONOMY Spring 1996 (v.3#2) pg. 14

SX Phoenicis stars. Locating and observing this class of pulsating variables is a good introduction to CCD photometry. Learn how to construct a striking light curve in just one night of observing.
CCD ASTRONOMY Summer 1996 (v.3#3) pg. 7

Photometry nomograph. Simplified way of determining the amount of light falling on a photocell or other surface when the light originates from other than a point source.
ELECTRONICS WORLD Jun 1968 (v.79#6) pg. 29

Photographic radiometry. Part 1. Introduction to the concepts of measuring the brightness of any point-sized source of radiation that photographic film can record.
PHOTO ELECTRONIC IMAGING 1994 (v.37#4) pg. 46

Photographic radiometry. Part 2. The H&D curve. IR and UV radiometry.
PHOTO ELECTRONIC IMAGING 1994 (v.37#5) pg. 42

Photometry of highlights and shadows. How the inverse square law and the cosine law affect our perception of object shapes in photographs.
PHOTO ELECTRONIC IMAGING 1994 (v.37#8) pg. 44

How to measure the solar constant. Constructing and using a radiometer to determine the intensity of sunlight at the top of the earth's atmosphere (called the solar constant). Four simple radiometer designs shown.
SCIENCE PROBE! Apr 1991 (v.1#2) pg. 93
Added Info SCIENCE PROBE! Jan 1992 (v.2#1) pg. 8
Added Info SCIENCE PROBE! Jul 1992 (v.2#3) pg. 6

Measuring atmospheric transmission using a sun photometer. How to determine the impact of dust, smoke, haze, and molecules of various gases on the transmission of sunlight through the atmosphere. How to build both a simple and advanced sun photometer.
SCIENCE PROBE! Apr 1992 (v.2#2) pg. 111

Tracking the ozone layer. (1) An explanation of the ozone layer and its effect on ultraviolet radiation from the sun. (2) How to measure the ozone layer by constructing a spectroradiometer.
SCIENCE PROBE! Nov 1992 (v.2#4) pg. 32, 45

A cloud detector for backyard astronomers. Circuit for an unchilled radiometer to detect the infrared reflections from unseen clouds. This device relies on incandescent urban light sources for the IR radiation. Est. cost: $30.
SCIENTIFIC AMERICAN Apr 1999 (v.280#4) pg. 120

Description of a photoelectric photometer constructed by an amateur. It inserts into the rack-and-pinion focusing mount of a small telescope.
SKY & TELESCOPE Nov 1981 (v.62#5) pg. 496

Aurora monitoring device uses a photomultiplier tube and associated electronics (schematics given) to drive a meter, chart recorder and audible alarm to produce a record of auroral activity.
SKY & TELESCOPE Jun 1982 (v.63#6) pg. 635

Astronomical computing. A BASIC routine converts photoelectric meter readings to stellar magnitudes.
SKY & TELESCOPE Feb 1985 (v.69#2) pg. 158

A lightweight pulse-counting photometer. Photos and text illustrate the basic construction concepts. Electronic and mechanical expertise will be required to construct this project. Est. cost: $500.
SKY & TELESCOPE Sep 1986 (v.72#3) pg. 295

Astronomical computing. Surface brightness as a clue to visibility. Computer program, written in BASIC, to calculate surface brightness of deep-sky objects based on the total magnitude.
SKY & TELESCOPE Oct 1986 (v.72#4) pg. 392

Adventures in photoelectric photometry. Includes a description of a homemade photometer which attaches to a telescope.
SKY & TELESCOPE Feb 1996 (v.91#2) pg. 91

Fairborn, Ohio, observatory is equipped for photoelectric photometry. Photos and text describe how an 8" Cassegrain reflector was built and equipped with a photometer.
TELESCOPE MAKING #5 Fall 1979 pg. 28