29.09.2020 Lunt 1.25" Prism for white light. + AR12773.

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Tuesday 29th Cloudy start cleared to sunshine.

62/60F: Seeing steady and fairly detailed at first. Becoming agile again. Telescope warming up causing thermal currents?

My Lunt 90° Herschel Prism has just arrived. First image with 2x GPC stacked with Orion 2x Shorty Barlow. The pores are real. Not dust on the optics.
That is pretty amazing for a first image!

Getting far too windy from the south. So I have had  to remove the Shorty Barlow. The telescopes were getting blown about too much.

2x GPC + Baader Solar Continuum on the limb. 

The Lunt prism is trashing the very old solar foil filter. Too many pinholes robbing me of contrast.

Next image showing native magnification with '174 camera and 1000mm f/l.

 

 

150/500 Lunt 90, 2x GPC + 2x Barlow, ZWO '174. NO D-ERF.

Second image with D-ERF. The seeing has gone off.

 

 

 

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