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.
Celestron EdgeHD 8"
The Challenges of Long Focal Length Imaging with an EdgeHD 8" As an early adopter of harmonic drive mounts (Rainbow Astro RST-135), I’ve
ZWO Camera Sale
ZWO just started their summer sale with discounts on a lot of their popular cameras both for DSO imaging and planetary imaging. The sale includes
Using Topaz Denoise AI for Astrophotography
The debate over AI (artificial intelligence) based tools in astrophotography There’s amassive debatehappeningright nowacross astrophotographyInternet forumsover whether or not AI based tools should be
Some Amazon Prime Day deals worth looking at for your telescope
There’s a lot of less than stellar telescope items on sale at Amazon right now, but I’ll link to the ones I think
What are astrophotography calibration frames, and why should I use them?
Understanding Calibration Frames in Astrophotography: A Beginner's Guide When you get your start in astrophotography, the complexity can quickly become overwhelming. You’re
Imaging the moon with a Celestron C5 Spotting Scope
Taking Photos of the Moon This past week the moon was directly overhead. A cold front had just come through and cleared out the clouds
QuickFits 1.0 released with Finder QuickLook for Fits files
QuickFits is a nice little application for the Mac that will debayer, auto stretch and preview your images right from the finder. This makes for
Affinity Photo 1.9 adds astrophotography workflow support with stacking and calibration
A new astrophotography processing contenderAffinity Photohas entered the Mac…and PC race. Affinity introduced it’s suite of applications to compete against Adobe Photoshop, Indesign,
Remote astrophotography with a portable setup: traveling to a dark site
For some time now, I had been planning on taking myportable astrophotography rigto a dark site. During the Thanksgiving holiday, my family and I thought
Review of the ZWO ASI294MM-Pro camera
ZWO recently surprised everyone by announcing a camera no one thought would arrive. A new micro 4/3 sensor based mono camera called theZWO ASI294MM-Pro.
Review of the ZWO ASI6200MM-Pro camera
Some time, earlier in the year, I made the decision to move to full frame imaging. Full frame, is essentially an uncropped DSLR sensor like
Imaging with the ZWO Duo-band filter for color astrophotography cameras.
While waiting for the adapter to connect up my ASI6200MM-P camera and filter wheel, I've been experimenting with theZWO Duo-band filterthat ZWO gave