Andrew Burwell
Designer, astrophotographer, and Mac app developer. Founded Mac Observatory over 9 years ago to help astronomers get the most from their Macs. Now building native macOS apps for the astrophotography community. Based in Houston, TX.
Imaging Star Clusters with the AT6RC and the ZWO ASI071MC-Pro
I spent a few nights this week trying out my color camera, the ZWO ASI071MC-Pro on the AT6RC. I really love the pixel scale achieved
Imaging M51 Whirlpool Galaxy with the ZWO ASI071MC-Pro
After a rocky start with my EdgeHD 11 telescope, I decided to move the main imaging camera over to the AT6RC telescope I have. It
Celestron EdgeHD 11"
Going Big The EdgeHD 11" represents a significant step up in aperture and focal length from the 6" Ritchey-Chrétien I had been using.
First light with the EdgeHD 11"
It’s been a few weeks since I picked up the used EdgeHD 11” SCT. And in that time I made some final hardware decisions
AstroPixel Processor 1.072 Released
The latest version of Astro Pixel Processor has been released. Lots of support for Sony cameras has been added. Improved Drizzle/Bayer Drizzle. Lots of
KStars/EKOS 3.1 is released!
An update to my current favorite imaging platform has been released. In this release there’s a bunch of 3.0 fixes as well as
Celestron CGX and EdgeHD 11" Schmidt Cassegrain
GOING BIG This past holiday, I received a Celestron CGX for Christmas. You might have seen photos of it pop up on some of my
Astro Pixel Processor 1.071 released
This version includes a bunch of new fixes and features. * IMPROVED, access to license server * IMPROVED/FIXED, star analysis & registration * FIXED, Calibration AMP-GLOW * FIXED,
Removing light pollution with Astro Pixel Processor
The above screenshot is what my Luminance data looks like after a few nights of imaging the same object. In this particular image I was
Sometimes...all you need to do is reprocess your data
It often pays to revisit older images you’ve captured. I was never very happy with the processing job I did originally on the Pacman
Asteroid or satellite?
I managed to catch this on my guide scope with the ZWO ASI290mm camera as I was trying to focus it better. I saw a
The bloodiest of moons.
As most people did last week, I managed to get outside and catch the Blood Moon. I came prepared. I had two telescope setups and