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1
Space Research: Directions for the Future
In order to make progress in spectroheliography it is absolutely essential to have
an Aerobee-150 rocket, or the equivalent, which is stabilized to 5 sec of arc in
yaw and pitch, and to 0.250 in roll. Three-axis stabili— zation is required, to make
...
Space Studies Board, Division on Engineering and Physical Sciences, 1966
2
Space Research: Directions for the Future
In order to make progress in spectroheliography it is absolutely essential to have
an Aerobee-150 rocket, or the equivalent, which is stabilized to 5 sec of arc in
yaw and pitch, and to 0.25° in roll. Three-axis stabilization is required, to make
use ...
1.7 Spectroheliography and solar magnetic fields In 1 869, Janssen suggested
the principle of an instrument to observe the sun, not in 'white' light, but in isolated
regions of the spectrum such as the strong hydrogen Ha line or calcium H and K
...
Kenneth J. H. Phillips, 1995
02138, U.S.A. Abstract. This paper describes a photographic technique for
recording solar spectra. The technique, which we call spectra-spectroheliography
, requires the same amount of observing time as conventional
spectroheliography but ...
5
History of Astronomy: An Encyclopedia
The senior Hale had the observatory, with a 12-inch refractor optimized for solar
spectroscopy and spectroheliography, built for his son George Ellery Hale the
year after he graduated from the Massachusetts Institute of Technology.
6
Transactions of the International Astronomical Union Vol.iv
Dr St John explained that the two centres for visual and photographic observation
of prominences had been combined into one, that similarly the centres for
spectroheliography in Ha and in K light had been combined, and that the centre
for ...
7
The British Journal of Photography
SATELLITE. UV. SPECTROHELIOGRAPHY. PHOTOGRAPHY IN THE INFANTS'
CLASS - A study in visual. motor drives a small impeller to provide some forced
airflow. A large rocker switch is fitted to the top of the motor box and protrudes ...
William Crookes, T. A. Malone, George Shadbolt, 1969
8
Raja Deen Dayal: Prince of Photographers
... photospectroheliography, phototopo- graphy, phototypography phototypy,
pyrophoto- graphy, radiography, radiophotography, sculptography. skiagraphy,
spectroheliography, spectrophotography stroboscopic photography,
telephotography, ...
Sureshchand Deendayal, 2003
Not leaving Meudon, where Deslandres invented spectroheliography (at the
same time as did Hale at Mount Wilson) at the ... the permanent use of
spectroheliography has led to the discovery of the laws of the evolution of solar
disturbances.
France. Direction générale des affaires culturelles et techniques, 1957
10
Space research: directions for the future
In order to make progress in spectroheliography it is absolutely essential to have
an Aerobee-150 rocket, or the equivalent, which is stabilized to 5 sec of arc in
yaw and pitch, and to 0.25° in roll. Three-axis stabilization is required, to make
use ...
National Research Council (U.S.). Space Science Board, United States. National Aeronautics and Space Administration, 1966
