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Altair Hydrogen Alpha D-ERF
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Altair Hydrogen Alpha D-ERF
| Type | Solar |
|---|---|
| Bandwidth | 40 nm |
| Size | Other |
| Users | 5 |
| Images | 47 |
| Most often used with | There doesn't seem to be anything here. |
Community notes
Dichroic Solar Energy Rejection Filter (D-ERF) for use as a pre-filter with Daystar Quark or other solar etalon.
Also available in the following variants: (115mm aperture) (152mm aperture) (230mm aperture)