Solar Observing Session 5, January

Session Data Date:  5/01/2026 Time:  13:48 – 14:48 UT Seeing: I. Excellent Transparency: II. Clear with some cloud Temp: 3 C, Air Pressure: 1018mb Humidity: 84% Dew Point: 1 C Wind Speed: 1 mph Scope: TMB 80 f/6  Camera: ASI183mm , SBIG G filter. No Darks or Flats taken. All Images are North up and East to the Left Click image for larger version Solar Parameters Bo: -3.53 degrees Lo: 238.57 degrees P: -0.17…


Solar Observing Session 31, December

Session Data Date:  31/12/2025 Time:  10.38 – 11:38 UT Seeing: I. Excellent Transparency: II. Clear with some cloud Temp: 4 C, Air Pressure: 1032mb Humidity: 93% Dew Point: 3C Wind Speed: 6 mph Scope: TMB 80 f/6  Camera: ZWO ASI 183MM , SBIG G filter. No Darks or Flats taken. All Images are North up and East to the Left Click image for larger version Solar Parameters Bo: -2.94 degrees Lo: 306.16 degrees P:…


EAA Observing Session: 16, December

Session Data Date:  16/12/2025 Time:  21:53 – 00:06 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze Temp: 4 C, Air Pressure: 1018mb Humidity: 92% Dew Point: 3 C Wind Speed: 2 mph Average SQM:  20.30magn/arcsec^2 Scope: Altair 150mm RC f/6  Camera: ZWO ASI 183MM. Darks and Flat subtracted Further testing of the collimation of the 150mm RC, which is a lot better now. Not imaging quality, but not bad for…


EAA Observing Session: 12, December

Session Data Date:  12/12/2025 Time:  18:52 – 20:16 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 7 C, Air Pressure: 1026mb Humidity: 90% Dew Point: 6 C Wind Speed: 3 mph Average SQM:  21.75magn/arcsec^2 Scope: Altair 150mm RC f/6  Camera: ZWO ASI 183MM. No darks or flats. This session was more to test my rarely used Altair 150mm RC and to do a comparison with it’s bigger 250mm brother….


EAA Observing Session: 10, December

Session Data Date:  10/12/2025 Time:  18:52 – 20:16 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze Temp: 9 C, Air Pressure: 1022mb Humidity: 96% Dew Point: 8 C Wind Speed: 12 mph Average SQM:  magn/arcsec^2 Scope: TMB 80 f/6  Camera: ZWO ASI 183MM. No darks or flats. Comet C/2025 T1 ATLAS Not much to see here. But there is a bright core and a faint Coma, which is too small…


EAA Observing Session: 3, December

Session Data Date:  03/12/2025 Time:  12:17 – 13:17 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze Temp: 10 C, Air Pressure: 1019mb Humidity: 87% Dew Point: 8 C Wind Speed: 5 mph Average SQM:  magn/arcsec^2 Scope: Altair 250mm R.C at f/5.3  Camera: ZWO ASI 183MM. No darks or flats. Click image to view full size. I had been watching the development of one of the largest sunspot groups of this…