I am 68 years old, nearing 69 and I have been retired since 2010. Therefore I have no job to lose by writing stuff that you might think could get me committed. And also I don’t have that many years … Continue reading
This is a composite image of the IC410/IC405 region taken using a Sky90 refractor with an M25C OSC CCD and a pair of Canon 200mm prime lenses with ASI 2600MC Pro OSC CMOS cameras. The Sky90 data was 5-hours and … Continue reading
This image is a composite of Sky90 and Hyperstar 4 data only.
This is the central region of the Rosette nebula. This is a composite image created using RegiStar and comprises original Hyperstar, Sky90 and Hyperstar 4 data exceeding 15-hours of total exposure time.
Another hobby of mine is “experimental mathematics” – I think I may have mentioned (ages ago) my Prime number hunting server. Well way back in June 2007 (just before actually) I discovered something that seems to have been overlooked for … Continue reading
Climate change? What climate change? Where’s your proof??? You aren’t going to believe this one. So I suffer from Hayfever – big deal – why are you talking about Hayfever at the end of December?? I know Hayfever symptoms (I’ve … Continue reading
Nice clear night last night and I managed to grab 20 x 10-minute subs with the Canon 200mm prime lenses and the ASI 2600MC Pro CMOS cameras on the Sadr region. A bit perverse imaging Cygnus at the end of … Continue reading
A bit of star reduction on the wide field Sadr region works wonders.
Surprisingly, even a region which is predominantly stars can benefit from a little star reduction.
Here are the first 200 Fibonacci numbers – and the list below shows whether they are Prime (True) or not (False). Courtesy of Mathematica. {1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, … Continue reading
