Yearly archives: 2024

EAA Observing Sessions, 18, September

The Sun Session Data Date:  18/9/2024 Time:  13:40 – 14:40 UT Seeing: IIII. OK – Moderate Transparency: III. Clear with slight haze. Temp: 19 C, Air Pressure: 1027mb Humidity: 79% Dew Point: 15C Wind Speed: 2mph Scope: TMB 80 f/6  Camera: ZWO ASI 183MM Pro, Astronomik 420nm Pass filter and SBIG G Filter. No Darks or Flats taken. Just a small experiment to compare the Astronomik 420nm Pass filter and the SBIG G filter…


Sunspot AR3664 Development 6/12 May

While I missed the actual Auroral lightshow on the night of 11th and Morning of the 12th May, I did have a number of clear days in the days leading up to it. I was able to draw the development of Sunspot AR3664 in a series of six drawings made over 7 days 6m May 14:22 UT 7th May 10:26 UT 9, May 17:43 UT 10, May 13:37 UT 11, May 14:16 UT 12,…


EAA Observing Session 11, May

Session Data Date:  11/5/2024 Time:  23:17 – 00:50 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze. Temp: 12 C, Air Pressure: 1016mb Humidity: 85% Dew Point: 9C Wind Speed: 8mph Average Seeing: 3.9 FWHM Average SQM: 20.21 magn/arcsec^2 Scope: TMB 80 f/6  Camera: ZWO ASI 183MM Pro, No Filter. No Darks or Flats taken. Session Notes:  I was hoping to see the Aurora this evening, but apart from a very faint…


EAA Observing Session: 11, January

Session Data Date:  11/1/2024 Time:  20:23 – 23:36 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 0.8 C, Air Pressure: 1039mb,  Humidity: 87%,  Dew Point: -2.8C,  Wind Speed: 6mph Average FWHM: 3.5 Average SQM: 19.69 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes:  All images are North up and East to the left. Click the image for full size…


EAA Observing Session: 10, January

Session Data Date:  10/1/2024 Time:  20:44 – 00:15 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 0 C, Air Pressure: 1030mb,  Humidity: 84%,  Dew Point: -2.2C,  Wind Speed: 7mph Average FWHM: 3.34 Average SQM: 20.16 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes:  All images are North up and East to the left. Click the image for full size…


EAA Observing Session: 7, January

Session Data Date:  07/1/2024 Time:  19:29 – 00:05 UT Seeing: III: OK – Moderate Transparency: III. Clear with slight haze Temp: 0.6 C, Air Pressure: 1031mb,  Humidity: 81%,  Dew Point: -2.2C,  Wind Speed: 6mph Average FWHM: 4.68 Average SQM: 20.16 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes:  First image of the night and something appears to be off. the stars are really oval…