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 […]

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 sand […]

Imaging the sun in white light and Baader Solar Continuum or other color filters

May 7, 2016 // by ecuador

One of the most inexpensive accessories you can get for your telescope is the Baader AstroSolar safety film which you can use to safely observe and photograph the sun. Baader also has the 540nm-pass “Solar Continuum” filter to improve the definition of some solar features, so I thought I’d run a little experiment to see exactly […]