Category: Astronomy

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…


EAA Observing Session: Comet C/2023 E1

Session Data Date:  06/08/2023 Time:  22:25 – 23:11 UT Seeing: III. OK – Moderate Transparency: II. Clear with some cloud Temp: 12.3C, Air Pressure: 1025mb,  Humidity: 95%,  Dew Point: 11.7C,  Wind Speed: 4mph Scope: Altair 250mm RC f/5.3  Camera: ZWO ASI 183MM Pro,  No filter, Dark subtracted and Flat fielded. Session Notes: Just a quick look at C/2023 E1 before going on to start imaging M17 for the first time. I’m not sure what…


Imaging Session: Comet 12P Pons-Brooks

Session Data Date:  03/08/2023 Time:  21:35 – 22:24 UT Seeing: II Good Transparency: II Clear with some cloudClear with slight haze Temp: 14.1C, Air Pressure: 1019mb,  Humidity: 93%,  Dew Point: 12.8C,  Wind Speed: 8mph Scope: Altair 250mm RC f/5.3  Camera: ZWO ASI 183MM Pro,  No filter, Dark subtracted and Flat fielded. Session Notes: Just slapped on the camera after having fitted some new adjustable extension tubes for spacing. Took 20 x 30 second darks to…


Imaging Session NGC6888 – 21-24 June

Session Data Taken over three nights between 21 and 34 of June. Scope: Altair 250mm RC f/5.3  Camera: ZWO ASI 183MM Pro,  Baader 35nm Ha, Dark subtracted and Flat fielded. Total of 160 x 120 sec subs. Session Notes: Conditions over these three nights were not perfect with transparency ranging from poor to average. This was really a more long term test of the ASI 183MM PRO camera and to see how the non guided…