The Astronomical Journal
The Astronomical Journal
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18 2.012 133 87 Oct. 28 2.008 130 153 Nov. 24 39 58 1.938 129 131 114 Whole number, 2312 MICROMETER OBSERVATIONS OF THE SATELLITE OF NEPTUNE IN 1901-1902 AND 1902-1903, Observations of the Satellite of Neptune, 1901-1902.
1901 August, 90° time MADB WITH THE 40-INCH REFRACTOR OF THE TERKES OBSERVATORY, By E. E. BARNARD.
These measures of the satellite of Neptune are continu- ation of the observations previously printed in A.J, 508, etc.
The measures have all been made with a power of 700 diamete...rs. It was thought there might be some gain in using this eyepiece, though a lower power would some- times have shown the satellite better.
The season of 1902-1903 has been a very bad one, and the measures of the satellite in general have been diflScult.
An unusual amount of cloudy weather has cut down the number of nights on which observations could be made.
Ab in previous observations the center of Neptune was bisected ; as the disc is not large, this can be done with great exactness, and it is believed that observations so made, in the case of this planet, are preferable to measures made from the limb or limbs.
What to read after The Astronomical Journal?
You can find similar books in the "Read Also" column, or choose other free books by American Institute of Physics to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
18 2.012 133 87 Oct. 28 2.008 130 153 Nov. 24 39 58 1.938 129 131 114 Whole number, 2312 MICROMETER OBSERVATIONS OF THE SATELLITE OF NEPTUNE IN 1901-1902 AND 1902-1903, Observations of the Satellite of Neptune, 1901-1902.
1901 August, 90° time MADB WITH THE 40-INCH REFRACTOR OF THE TERKES OBSERVATORY, By E. E. BARNARD.
These measures of the satellite of Neptune are continu- ation of the observations previously printed in A.J, 508, etc.
The measures have all been made with a power of 700 diamete...rs. It was thought there might be some gain in using this eyepiece, though a lower power would some- times have shown the satellite better.
The season of 1902-1903 has been a very bad one, and the measures of the satellite in general have been diflScult.
An unusual amount of cloudy weather has cut down the number of nights on which observations could be made.
Ab in previous observations the center of Neptune was bisected ; as the disc is not large, this can be done with great exactness, and it is believed that observations so made, in the case of this planet, are preferable to measures made from the limb or limbs.
What to read after The Astronomical Journal?
You can find similar books in the "Read Also" column, or choose other free books by American Institute of Physics to read onlineMoreLess
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