Synoptic charts of solar magnetic fields, Mount Wilson Observatory. Jan - Dec 1991.
Abstract
The synoptic charts are constructed from digital data of the daily magnetograms obtained at the 150-foot Tower Telescope at Mount Wilson and concern solar rotations 1838 - 1850. The spectrum line employed is 5250.2, Fe I. Each synoptic chart is made up of computer-drawn segments from individual day's observation.
- Publication:
-
Quarterly Bulletin on Solar Activity
- Pub Date:
- 1991
- Bibcode:
- 1991QBSA...33....1U