Category: Astronomy

EAA Observing Session: 27, October

The Sun Session Data Date:  27/9/2024 Time:  11:19 – 12:59 UT Seeing: I. Excellent Transparency: III. Clear with slight haze. Temp: 12 C, Air Pressure: 1025mb Humidity: 78% Dew Point: 8C Wind Speed: 3mph Scope: TMB 80 f/6  Camera: ZWO ASI 183MM , SBIG G filter. No Darks or Flats taken. Currently testing ASCOM Alpaca allowing me to control the mount using a Astroplanner that is installed on my main machine in the office,…


Observing Session : 22, October

Session Data Date:  22/10/2024 Time:  18:55 – 19:55 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 11 C, Air Pressure: 1032mb Humidity: 93% Dew Point: 9C Wind Speed: 4mph Scope: Opticron 8×42 Natura Binoculars   C/2023 A3 (Tsuchinshan-ATLAS) With the RC off the mount getting a rebuild, I didn’t want to completely rebalance the scope in order to observe C/2023 A3, so I just got out a pair of…


EAA Observing Sessions, 18, September

The Sun Session Data Date:  18/9/2024 Time:  13:40 – 14:40 UT Seeing: III. 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…