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Software deep dives, equipment reviews, tutorials, imaging sessions, and field notes — everything published on Mac Observatory.

102 articles
The RedCat 51 has reached its final form
Field Notes

The RedCat 51 has reached its final form

I’ve finally finished getting all the pieces together for this little scope. Pictured here is the William Optics RedCat 51 refractor telescope,Celestron CGXmount,

Aug 1, 2019 2 min read
William Optics RedCat 51
Reviews

William Optics RedCat 51

I’ve been really interested in theWilliam Optics RedCat 51since the original announcement. A few web bloggers got ahold of early versions of this scope,

Jul 6, 2019 5 min read
Mac Observatory is on Instagram!
News

Mac Observatory is on Instagram!

I finally set up an Instagram account. I’ll be posting my images there, but will still post them here on the site as well.

Jul 2, 2019 1 min read
Using Astro Pixel Processor to calibrate and integrate multiple imaging sessions
Tutorials

Using Astro Pixel Processor to calibrate and integrate multiple imaging sessions

The beautiful thing about astrophotography is that the effects of imaging are additive. You can essentially shoot the same object, night after night, even with

Jun 19, 2019 8 min read
Breathing new life into M101
Imaging

Breathing new life into M101

One really cool aspect of imaging deep sky objects is that the photons of light come into the camera randomly. This makes it possible to

May 6, 2019 3 min read
Imaging Star Clusters with the AT6RC and the ZWO ASI071MC-Pro
Imaging

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

Apr 17, 2019 1 min read
Imaging M51 Whirlpool Galaxy with the ZWO ASI071MC-Pro
Imaging

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

Apr 16, 2019 1 min read
Celestron EdgeHD 11"
Reviews

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.

Mar 24, 2019 2 min read
First light with the EdgeHD 11"
Reviews

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

Mar 24, 2019 3 min read
AstroPixel Processor 1.072 Released
News

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

Mar 8, 2019 1 min read
KStars/EKOS 3.1 is released!
News

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

Mar 6, 2019 1 min read
Celestron CGX and EdgeHD 11" Schmidt Cassegrain
Reviews

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

Feb 19, 2019 2 min read