The Sun (H alpha) 2013 August 31

Here’s my full disk from Saturday. Seeing was not that good.

There’s a lot of scattered light. This is due to the blocking filter. I’ve been finding that my Lunt blocking filters have gradually degraded over time, and are no longer transparent, but “crazed” on the surface of the larger glass component (the one towards the camera or eye). I wonder if anyone else has found this.


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