| Manufacturer |
Celestron
|
Model
|
ED80, achromatic doublet using high-dispersion glass
|
| D |
80mm |
F
|
600mm |
| F/D |
7.5 |
| Diameter of solar image |
5.687mm |
|
Energy rejection filter (full aperture) |
Baader D=90mm |
Collimator
|
Baader TZ-4 telecentric Barlow lens |
| Magnification |
4.0 |
Diameter of solar image
|
22.748mm
|
| Monochromator |
Solar Spectrum, Chino Hills, CA, USA, 2007 |
| Type |
Fabry-Perrot, Research Grade RG38 |
| Nominal Wavelength |
656.2808nm (line width = 0.4nm) |
| Filter bandpass |
0.05nm +/- 0.01nm |
| Tunable filter range |
+/- 0.25nm (par contrôle de température) |
| Nominal temperature |
~53°C |
| Focal reducer/corrector |
Baader #94175, achromatic doublet (corrector) |
| F |
220mm +/- 5mm |
| Magnification |
0.59 |
| Diameter of solar image |
13.421 |
| CCD camera |
QImaging Retiga 4000R |
| Detector |
Kodak KAI-4021, inter-line transfer |
| Detector size |
2048x2048 pixels, pixel size = 7.5x7.5 micron |
| Sensitive area |
15.16x15.16mm |
