Recent content by Dennis Roscoe

Here are some slides from one of my lectures on Narrow Band Imaging. They give a general overview of what wavelengths are being imaged and why. https://www.dropbox.com/s/kmir73spv2diuez/NB%20Unlocking%20the%20Secrets.pdf?dl=0 Cheers, Dennis

Thank you. Yes, I use a 130 mm refractor to take these images. There are several critical components necessary for these types of images; a high quality apochromatic telescope, a telescope mount that can track the image for 30 minutes without moving off a single pixel, a camera that can be...

Marcus, thanks for the links.

Evo, Have you been to their website http://www.cgca.uwm.edu/coffee/ ? I am not sure what you are asking for? I meant this post to be an awareness of a local event sponsored by the Astro-Physics department of UW Milwaukee. I don't believe I was asking for any type of Physics Forums...

Hi All, If you are in the Milwaukee area, here is a great way to spend a few hours on a Saturday afternoon. COFFEESHOP ASTROPHYSICS Sat Dec 6 2014 2pm @ 224 W. Bruce St, Milwaukee WI 53204 Welcome to CoffeeShop Astrophysics! These are a series of free informal public lectures aimed at anyone...

Hi All, I just joined the forum and most of my inquires will relate to astrophysics. I am a retired professor of neurology and have turned my interests towards astrophotography and teaching astronomy at a local university. I have built my own observatory and my work can be seen at...