The IRIS network site at the Wilcox Solar Observatory
β Scribed by J. T. Hoeksema; P. H. Scherrer
- Publisher
- Springer
- Year
- 1991
- Tongue
- English
- Weight
- 150 KB
- Volume
- 133
- Category
- Article
- ISSN
- 0038-0938
No coin nor oath required. For personal study only.
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## 1. Instrumentation Since our last report the two solar telescopes near G6ttingen (Cassegrain-coelostat) and at Orselina near Locarno (Gregory-Coud6) have been improved in the following points: A. The equipment at the Ha&berg station has been supplemented by equipment from Locarno: (l) Simultan
## Abstract This article reports on solar observations by J.A. Hamilton and W. Gimingham at Armagh Observatory made in 1795β1797. A number of sunspot positions were obtained from the original observing notes, mostly from micrometer measurements. The period is particularly interesting for the unders