|
The sky brightness
Average brightness in mag/arcsec2
| h |
U |
B |
V |
| 90o |
21.43
+/-0.07
|
21.20
+/-0.07
|
20.85
+/-0.06
|
| 50o |
21.24
+/-0.15
|
20.95
+/-0.16
|
20.62
+/-0.16
|
| 30o |
21.00
+/-0.22
|
20.63
+/-0.24
|
20.27
+/-0.25
|
The atmospheric absorption
|
|
Last Updated on Wednesday, 29 December 2010 11:01 |
