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…
EAA Observing Session: 25, September
Session Data Date: 25/09/2025 Time: 20:30 – 23.55 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 11 C, Air Pressure: 1026mb Humidity: 82% Dew Point: 0C Wind Speed: 2mph Average SQM: magn/arcsec^2 Scope: TMB 80 f/6 Camera: ZWO ASI 183MM. Darks but no Flats All images are displayed North up and East to the left. Click image to view full size. Collinder 440, NGC7128 Located 13.0 degrees PA 45…
Solar Observing Session 25, September
Session Data Date: 25/09/2025 Time: 08:42 – 09:42 UT Seeing: I. Excellent Transparency: I. Extremely clear Temp: 12 C, Air Pressure: 1027mb Humidity: 80% Dew Point: 9C Wind Speed: 4 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: +6.95 degrees Lo: 146.04 degrees P: -+25.48 degrees…