Session Data Date: 01/12/2023 Time: 20:37 – 01:43 UT Seeing: I: Excellent Transparency: Extremely clear Temp: -0.1C, Air Pressure: 1013mb, Humidity: 78%, Dew Point: -3.3C, Wind Speed: 5mph Average FWHM: 3.15 Average SQM: 19.31 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: The first clear night for ages. No wind, no clouds and at the start of the session, no Moon. Still working through…
EAA Observing Session: 8 October
Session Data Date: 8/09/2023 Time: 19:21 – 22:02 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 14.3C, Air Pressure: 1025mb, Humidity: 90%, Dew Point: 12.8C, Wind Speed: 4mph Average FWHM: 3.9 SQM:19.8 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 294MC Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: This was one of those sessions that started off really well weather wise, but didn’t last long as high…
EAA Observing Session: 7 October
Session Data Date: 7/09/2023 Time: 19:44 – 00:16 UT Seeing: II. Good – Slight Transparency: I. Extremely Clear. Temp: 14.9C, Air Pressure: 1027mb, Humidity: 77%, Dew Point: 11.1C, Wind Speed: 3mph Average FWHM: 4.2 SQM:19.8 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 294MC Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: While I like the simplicity of imaging in mono, I wanted to see if using a OSC camera would enhance…
EAA Observing Session : 20 September
Session Data Date: 20/09/2023 Time: 19:28 – 22:20 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 11.2C, Air Pressure: 998mb, Humidity: 93%, Dew Point: 10C, Wind Speed: 4mph SQM:19.78 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: North is to the top of the image in all these observations. I’m hoping this is going to make descriptions far…
EAA Observing Session: 17 September
Session Data Date: 17/09/2023 Time: 21:31 – 22:31 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 14.3C, Air Pressure: 1005mb, Humidity: 95%, Dew Point: 13.3C, Wind Speed: 9mph SQM:20.01 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: Is this the shortest – but eventually a successful and satisfying – observing session ever. Open up observatory at 21:31UT. Take…
EAA Observing Session: 13 September
Session Data Date: 13/09/2023 Time: 19:46 – 00:34 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 12.9C, Air Pressure: 1024mb, Humidity: 86%, Dew Point: 10.6C, Wind Speed: 1mph SQM:20.05 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: Second night in a row for some more EAA on SJM ‘Hidden Treasures’ Conditions have been OK this evening. No cloud…