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- Sun Aug 05, 2018 9:37 pm
- Forum: How do I?
- Topic: Histogram of H-alpha Tuneable Etalon???
- Replies: 0
- Views: 1343
Histogram of H-alpha Tuneable Etalon???
Anyone have an image or drawing of what the histogram of the Sun looks like when a tuneable etalon is at 656nm (Lunt 80mm THa single stack). I am having trouble visually seeing much on the surface of the Sun (old age?) when trying to tune the etalon so I decided to use the histogram and try and find...