Brown/yellow observation of the Sun, 23 July 1905
- Made:
- 1905 in Folkestone
Brown/yellow observation of sunspots made by John Willis on 23 July 1905 at 5:35pm. On the reverse Willis has noted: "Much faculae in neighbourhood of spots on preceding limb. JW" Faculae are areas of greater brightness on the Sun that are hotter; sunspots are cooler. One of 275 pencil, ink and colour wash observations of the Sun and Jupiter made by Willis in Folkestone between 1879 and 1906.
Details
- Category:
- Art
- Object Number:
- 2001-769/179
- Materials:
- paper, pencil, ink, col. wash
- Measurements:
-
overall: 138 mm x 176 mm
- type:
- drawing
- credit:
- Sotheby's (Olympia)