Saturday, October 06, 2007

20071006 Sun

Borg 45ED II, SM40/BF10/PST etalon, DMK 31AF03 at prime focus. Seeing was 3/10, transparency was 2/10. We have AR972 here, nothing else.



1307, re-tune the SM40 Tmax and PST etalon, more even disc:-

More contrasty than SM40 alone definitely.

1307 reprocessed:-

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