2019 September 7

Still a blank disc today, however few prominences made a fine show on the NW limb. I took the opportunity to test my new 115 mm f/7 Tecnosky triplet. Very happy of this scope, good optics, particularly well corrected both in H-alpha and in calcium light, and a fine mechanics. Having a 2.5″ focuser and a M68 rear thread I can now screw the pressure tuning module of my Lunt scope directly in the focuser of the larger scope without the need of any adapter.

2019-09-07-1336-RB-Halpha-proms W limb

 

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