Mercury
2019
3. What do we have to do?
a) pictures of mercury with the sodium filter
b) pictures of mercury with the off-band filter
c) darks
d) flats for both filters
To test damages of the filters:
e) pictures of mercury with the sodium
filter 90 degree rotated
f) pictures of mercury with the off-band filter
90 degree rotated
g) flats for both filters
To understand the influence of the sodium in the earth atmophere
To test the
influence
of the sodium in the earth
atmophere??
and scattering in the optical system:
h) pictures of comparison
object with the
sodium filter
i) pictures
of comparison object
with the off-band filter 90 degree
rotated
j) flats for both filters
Suitable comparison objects are unsharp stars
nearby Mercury or maybe Mars:
