Well this Fuji GW670III is not exactly new, as I acquired it in November of 2022, but it’s been a while since I updated the toy section. You may have noticed the last two cameras added to my collection were rangefinders. While this technology has been around since the 1930’s, they fell out of favour in the 1970’s when SLR’s became all the rage. The Mk3 version of this lineup of huge neg rangefinders…
EAA Observing Session: 1, December
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…
100 Solar Observations
I’ve been actively making Sunspot observations and submitting then to the BAA & AVVSO Solar databases since August 2022. But today, I made my 100th observation of the Sun. In the great scheme of Solar observing I guess this isn’t a particularly high number of observations, but it’s a milestone nonetheless. Things have changed over those 100 observations. The most dramatic of which is the accuracy and information recorded now. To illustrate this, there…
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…
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