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…
EAA Observing Session: 12 September
Session Data Date: 12/09/2023 Time: 19:45 – 23:58 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 12.6C, Air Pressure: 1021mb, Humidity: 86%, Dew Point: 10C, Wind Speed: 7mph SQM: 20.22 magn/arcsec^2 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: Doing a little EAA and going through Steve O’Meara’s ‘Hidden Treasures’ book. It is a little windy but the wind…
EAA Observing Session: 5 September
Session Data Date: 05/09/2023 Time: 21:18 – 03:07 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze Temp: 17.1C, Air Pressure: 1019mb, Humidity: 94%, Dew Point: 16.1C, Wind Speed: 5mph SQM: 18.77 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, No Filter. Dark subtracted and Flat fielded. Session Notes: Started this session with the scope in f/8 mode in the hope of doing some EAA while I wait for…
EAA Observing Session 2, September
Session Data Date: 02/09/2023 Time: 21:20 – 01:53 UT Seeing: II. Good – Slight Transparency: III. Clear with slight haze Temp: 14.9C, Air Pressure: 1026mb, Humidity: 94%, Dew Point: 13.9C, Wind Speed: 1mph SQM: 18.77 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, Baader 35nm Ha, Dark subtracted and Flat fielded. Session Notes: Trying for a night of purely EAA. I realised after the first observation that I had left in the…
EAA Observing Session 15, August
Session Data Date: 15/08/2023 Time: 21:13 – 00:52 UT Seeing: II. Good – Slight Transparency: II. Clear with some cloud Temp: 12.4C, Air Pressure: 1025mb, Humidity: 95%, Dew Point: 11.7C, Wind Speed: 1mph SQM: 18.77 Scope: Altair 250mm RC f/5.3 Camera: ZWO ASI 183MM Pro, Baader 35nm Ha, Dark subtracted and Flat fielded. Session Notes: NGC1746, Collinder 57 This is being observed as Collinder 402 as part of my Collinder Cluster observing program. North…