About 25 years ago as a kid I had looked up future total eclipses and had marked the 2017 eclipse as the one I would see. I’d be old enough to travel when I please, it would be summer and it would be at a location that’s easy to go to (I visit the US […]
2017 Total Solar Eclipse @ Madisonville, TN
August 31, 2017 // by ecuador
Baader Astrosolar Photo film ND 3.8
September 23, 2016 // by ecuador
In a previous Solar filter test I explored how various filters help with getting some better white-light Solar surface feature photos, and I had noted that while I was using the Baader Astrosolar Safety ND=5.0 film, some narrowband filters would benefit from the photo grade Astrosolar ND=3.8 film, as with allowing as much as 1/6310 of the […]
Baader Astrosolar vs Thousand Oaks Black Polymer solar filter
September 11, 2016 // by ecuador
There are two popular kinds of inexpensive solar filters which you can buy in unmounted sheets, cut them and mount them yourself. The older kind is the black polymer type, with the most famous kind (especially in the US) being the one that Thousand Oaks makes (their glass filters are also popular), while the currently […]
2016 Mercury Transit @ Heaton Park
May 13, 2016 // by ecuador
We had an unusually sunny day at Heaton Park on May 9th, so we enjoyed the Mercury Transit along with many friends from the Heaton Park astro group and even more people who where just enjoying their day at the park. The only downside was the strong wind, which tended to cover everything with dust […]