Chinese Sunspot Drawings and Their Digitizationâ€"(VII) Sunspot Penumbra to Umbra Area Ratio Using the Hand-Drawing Records from Yunnan Observatories.

Details

Language :

English

ISSN :

16744527

Volume :

22

Issue :

9

Database :

Complementary Index

Journal :

Research in Astronomy & Astrophysics

Publication Type :

Academic Journal

Accession number :

158562247

Full Text :

https://doi.org/10.1088/1674-4527/ac7f87