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Table 7
Chromospheric activity index 
for the Sun from observations of the reflected light.
| Object | Date | -index |
Sunspot | |
| [Gregorian] |
|
|
number | |
|
|
||||
| Moon | 2009, August 04 | 0.0077 | 0.18 | 0 |
| Vesta | 2014, July 30 | 0.0083 | 0.19 | 88–100 |
| Victoria | 2014, July 31 | 0.0080 | 0.18 | 88–100 |
| Europa | 2015, April 17&20 | 0.0083 | 0.19 | 85–93 |
|
|
||||
| KIC 3241581 | 2014–2015 | 0.0077 | 0.18 | − |
Notes. Object used as source of reflected sunlight and the date of observations. The instrumental, MWO-scaled -index are given and compared to the international sunspot number.
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