Saturday, November 26, 2016

Moon & Jupiter at sunrise

On the morning of November 25th, both the Moon and Jupiter could be observed 30° above the south-eastern horizon. The Moon is waning crescent and 15% illuminated, Jupiter is seen 3° west of the moon. Picture taken around 7h50 local time.






Saturday, November 19, 2016

Reverse colors of double rainbow - Alexander's band - Supernumerary band


Using CS4 to highlight the colors and to enhance the contrast shows the revers order of the colors of the second rainbow. It also shows much better the darkness between the two rainbows, which is called Alexanders dark band. And finally the picture shows also the green band underneath the violet color of the first rainbow which is called a supernumerary band.

Wow a Supernumerary Double Rainbow



Clouds, rain and sun ... the perfect ingredients for a perfect rainbow. Above Aarschot I took below pictures which not only show a perfect double rainbow but a supernumerary double rainbow.
According literature a supernumerary rainbow is defined when below the first rainbow more colors are seen beyond the normal colors. As seen on the pictures a "white" band is seen below the violet color which when enlarged consist of faint colors of green and violet. So we see from the outside to the inside red, orange, yellow, green, blue, indigo, violet and then green and violet.



As I was not sure and did ask for a second opinion to Frank Deboosere, our national weatherman and amateur astronomer. And he confirmed the supernumerary band aswell. 



Thursday, November 17, 2016

Eclips August 11, 1999 Virton

When searching for a picture I found some old pictures of the solar eclipse of August 11, 1999 which I observed near Virton, Belgium. Unfortunately clouds made it difficult to see the entire spectacle.





Tuesday, November 15, 2016

Sunday, November 13, 2016

Supermoon on November 14th- really Super?

What's in the name? On November 14th 12h21 MET the distance moon-earth will be as close as 356509km. Why is this important? It's because this happens on almost the same moment when the moon is full (14h52 MET). It's calculated that the moon will be 14% "bigger" and about 30% "more bright". As all this happens during daytime, best observation is the morning of Nov 14th or at evenings. Will you notice the difference... not really.
The last time the moon was that close happened on Jan 26th, 1948 (356461km). On November 25th, 2034 the moon will be even closer with 356445km.
So why should you look at the moon? Only it's because you know that it was about 68 years ago the moon was that close. Super right?