PSFShack Hartmann Analyser report
- Sky Test -
Part name : 180mm INTES f/10
Serial number : N/A
Italic sentences have been manually added, all this web page has been automatically generated by the software. 30 acquisitions have been combined to cancel out turbulence. This is not an easy test, because, this requires combined acquisitions and good telescope tracking ! 25 combined acquisitions have been used.
Images
PSF
Min= 2.16E-013 (no unit) Max= 7.42E-004 (no unit) Strehl ratio=84.6%
Wavefront
Wavefront error PTV= 0.19 µm (Lambda/2.90) RMS=0.03 µm (Lambda/21.85)
Some trefoild and spheric aberations are measured. Sphérical aberations can be detected when focus is changed because the main mirror is not at the same position with respect to the secondary mirror.
Zernike coefs.
|
Zernike mode index |
Value (µm) |
|
1 |
0.00000 |
|
2 |
0.00000 |
|
3 |
0.00000 |
|
4 |
-0.00879 |
|
5 |
0.00680 |
|
6 |
-0.00177 |
|
7 |
-0.02481 |
|
8 |
-0.00936 |
|
9 |
0.01568 |
|
10 |
-0.00881 |
|
11 |
-0.00915 |
|
12 |
0.01187 |
|
13 |
-0.00550 |
|
14 |
-0.03704 |
|
15 |
-0.00882 |
|
16 |
0.01106 |
|
17 |
-0.01359 |
|
18 |
-0.02991 |
|
19 |
-0.03869 |