Solar photography
โ Scribed by C.
- Publisher
- Elsevier Science
- Year
- 1878
- Tongue
- English
- Weight
- 162 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
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High-resolution filtergrams of the quiet chromosphere, taken at seven wavelengths in Ha with the aid of a computer-controlled ~ A filter, have been used to derive the contrast of ten bright and dark mottles as functions of wavelength. The contrast profiles of bright and dark mottles are strikingly d