Session Data Date: 22/01/202 Time: 20:58 – 21:58 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze Temp: 3 C, Air Pressure: 983mb Humidity: 94% Dew Point: 3 C Wind Speed: 2 mph Average SQM: 19.9 magn/arcsec^2 Scope: Altair 150mm RC f/6 Camera: ZWO ASI 183MM. Dark subtracted Comet 3i ATLAS Passing through Cancer at time of observation. Thought I better have a go at 3i ATLAS before it disappears. Just…
Solar Observing Session 10, January
Session Data Date: 10/01/2026 Time: 09:25 – 10:25 UT Seeing: I. Excellent Transparency: III. Clear with slight haze Temp: 6 C, Air Pressure: 1019mb Humidity: 87% Dew Point: 4 C Wind Speed: 3 mph Scope: TMB 80 f/6 Camera: Player One Aries M Pro , 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: -4.06 degrees Lo:…
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…