Introducing 3D Astrophotography

Today I’m introducing another artistic astrophotography processing gallery.  Through a rather complicated and painstaking process, it’s possible to convert a standard astrophoto into a 3D image. The actual 3D appearance is artificially created, but it still gives an idea of what the object might look like.  The stars are removed from the background nebula (in Photoshop, this is a completely manual process using the spot healing tool to avoid rings around the removed star) and then the new star-less background is subtracted from the original to give the star field itself.  After noise reduction, sharpening, and other post processing steps, the two parts of the image are split into left and right eye images.  Then one of the two images is adjusted, star by star, to move them further apart or closer together.  The goal is to bring the brighter stars to the foreground and varying distances and push things like small galaxies into the background.  A separate trick is used to change the perspective on the nebula itself giving a sense of depth in 3D.  The result is below.

Try crossing your eyes as you stare at the image above from a couple feet away from your monitor.  Eventually you should be able to get it to pop into a 3D view.  Note that you’re not really crossing your eyes, but rather trying to get them to look far away but focus on something close.  You want your left eye centered on the left image and the right one on the right image but focused close up.

I don’t know how often I’ll go through this process, but I plan to post multiple versions of these images for different viewer approaches. The default is just the two side-by-side images that can be used with the “crossed eyes” focus method, or in a Google Cardboard or other stereo viewer. The second will be with the images squashed to a 2:1 aspect ratio which will allow you to view them on a standard 3D TV (e.g. Samsung) in the side-by-side mode. I’ll also post a red/blue anaglyph version that you can view with retro 3D glasses. Finally, an animated GIF will bounce between the two images giving you a feeling for rotation.

I hope you enjoy this latest addition to the site.

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Introducing “Astro Art”

You may notice that there’s a new folder in the gallery for what I refer to as “Astro Art.”  About a year ago I had an inspiration for an image of what it might look like to see one of the deep sky objects (DSOs) that I’ve imaged from the surface of a nearby planet or moon.  Drawing from my collection of astro and terrestrial photography, I put together my first Astro Art photo of the Whirlpool galaxy above an airless lunar landscape.  I have other concepts in mind, but just haven’t had time to proceed with them.  However, I decided it was finally time to share what I’d done.  I call this piece “Whirlpool Moon.”

I’m treating this artwork a little differently than all the rest of the images on my website.  While there are plenty of sources for astrophotography, many better than mine (NASA’s Hubble images come to mind!), this Astro Art is my own unique creation and each piece is something you won’t find anywhere else.  Thus, I am not distributing full resolution files, but rather I’m making various high resolution prints available for you to own.  While I haven’t yet decided to limit the number of prints sold (I doubt I’ll ever sell enough to warrant that) I am setting the price at a higher markup to reflect my own effort and the value that I place in these items.  I hope you will appreciate these unique works of art and I hope to provide images that will amaze and inspire you.


Dr. Michael D. Foegelle

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New Print-on-Demand Products

I’ve debated having an option for direct-printing of the various photos on the website here, and while most all of the images can be downloaded full size and printed by individuals, I’ve found an approach that I think will be best.  I’ve sourced a print-on-demand shop that can create posters, mugs, T-shirts, and the like and that will integrate directly into my website shop.  Rather than just printing anything, I will be developing customized artwork for specific products using the best of what I have available. I’ve put a couple of items online starting with a new eclipse poster and a couple of mugs. I’ll be adding more items as I have time to develop artwork I’m pleased with, but requests are welcome.

I’m setting this up to pass through the price and shipping costs from the printer, with only a nominal markup for my artwork, depending on the item. I still have some work to do with the integration to deal with tax issues and the like, since California and North Carolina residents must pay tax because the printer operates in those states. I also recommend that if you want to order any of my other offerings along with your POD products that you split them into two orders. That will ensure the fastest delivery since dedicated POD orders are processed automatically, while mixed orders require intervention.

I hope you find something you like!

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It was worth it!!!

While many might question the sanity of driving 850 miles and 13 hours each way for a 2.5 minute event, those who have experienced the totality of a total solar eclipse will generally agree that those who haven’t seen one can’t possibly understand what they’re missing.  The view at totality is phenomenal, and the experience is hard to describe.  Add to that the entire anticipation of watching the Moon crawl across the face of the Sun, the simple joy of solar observing of an active sphere with plenty of sunspots, and the camaraderie of a hundred strangers all enjoying the same event, and you have something not to be missed.

So even though the months spent planning, the many sleepless nights right up to the night before, the gnashing of teeth with both long term and short term forecasts, and constant prayer that the skies would hold up to the event may have been stressful, the end result was well worth the effort.

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Greetings from Grand Island, Nebraska!

Got up at 4:15 AM Friday (after a very restless four hours or so of sleep) and got on the road by about 4:50. I’d loaded the bed of the pickup full the night before, but had to stop by the office looking for my home-made camera remote I’d misplaced. Actually had it in my tripod bag. Argh! After 13 hours of driving with short restroom and fast-food stops, we arrived in Grand Island and checked in. Another 30-45 minute drive got us to the Cedar Hills Winery outside Ravenna, where I hosted a star party for the visitors there until around 11:15. Tore down by midnight and back to Grand Island for the evening and finally in bed by 1:00 AM.

So how was YOUR day?

Here’s the contents of the truck bed:



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And the Winner Is!

Based on the current weather forecast, I’ve locked my plans down to the Ravenna/Kearney/Grand Island, Nebraska area and have canceled all my other reservations.  The fact that I’ve been asked to host the event at a local winery in Ravenna had something to do with that as well.  Just hope the weather holds!

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Planning for 2017 Solar Eclipse

Never look at the sun without eye protection!

If you didn’t already know, in August of this year there will be a total solar eclipse across a swath through the center of the United States from Oregon to South Carolina.  Given the rarity of such an event many people, including yours truly, are planning to make the trip to see the eclipse somewhere along the path.  While others will see a partial eclipse from regions outside the band, only those along the marked path will see the Sun totally blocked by our Moon.

2017 Eclipse PathPath of the 2017 solar eclipse, courtesy of Xavier Jubier’s interactive Google Map.

To that end, I’ve been working on plans to go to a location within the totality region and try to set up for a day of observing and photography throughout the eclipse.  I can’t justify the trip to the West Coast where weather is likely to be the best, so I’ve restricted myself to an arc with a maximum of about a thirteen hour drive from Austin, TX.  However, since the weather and cloud cover are a complete unknown, from this distance it doesn’t make sense to restrict myself to a single location.  On the other hand, hotels and camp sights are rapidly filling or already sold out along the center-line of the eclipse, with some of the regions catching on and offering their few rooms for $400 or more a night.  In order to hedge my bets against the weather and other factors, I’ve made reservations at hotels along that arc from Kearny, NE to just past Lebanon, TN, and will make the final decision on where to go a few days before the eclipse.

2017 Eclipse PlansPotential observing locations highlighted by red dots.

It’s easy to find information on the eclipse with a simple web search, but has put together a very good set of resources and links, including viewing locations and an article on why you must see the total eclipse and not just a partial eclipse.  There’s also plenty of good information on viewing and safety, as well as links to buy viewing glasses. Always remember,

Never look at the sun without eye protection!


And if it doesn’t work out for me this time, or if you don’t get a chance to go somewhere to see it, those of us in Central Texas will get another chance in 2024, when we will get a beautiful view of a total solar eclipse across most of the Hill Country, crossing through Fredericksburg, Marble Falls, and on up through Dallas, and catching Austin at the edge of the much wider band of totality.  The Austin Astronomical Society dark sky site at Canyon of the Eagles on the north side of Lake Buchanan is directly under the center-line, while Orion Ranch Observatory will have almost as good of a view with well over four minutes of totality (compared to about 2.5 minutes max for the 2017 eclipse).

2024 Eclipse PathPath of the 2024 solar eclipse, courtesy of Xavier Jubier’s interactive Google Map.

2024 Texas Eclipse Path of 2024 solar eclipse through Texas.

2024 Central Texas TotalityRegion of 2024 solar eclipse totality covering Central Texas cities including about half of Austin.

So happy observing!  I hope you get a chance to see something like this as it’s something you’ll never forget.  And always remember:

Never look at the sun without eye protection!

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Beta Testing QHY247C ColdMOS Camera

In December I ordered the new QHYCCD QHY247C COLDMOS camera on their beta program and it arrived the last week of January. It’s a 24 megapixel APS-C format cooled CMOS camera with a 14-bit ADC (same one used in the Nikon D5500), 3.91um pixel size, 2-stage TEC, 128MB DDRII image buffer, anti-dew heat board and airproof CMOS chamber with silicon gel tube connector, and USB 3.0.  I’ve posted various pictures of the unboxing and initial integration and testing in this gallery.  I’ve also started a thread on Cloudy Nights to review the progress.  I’m looking forward to it replacing my disappointing Celestron Nightscape.

This image of M1, the Crab Nebula, was cropped from a stack of nine ten-minute shots taken with the new camera.  While I’m still getting things worked out, this was the best I’ve done on this target to date, so I went ahead and posted it.

If you’re interested in how the camera is performing, you can also check out test images I’ll be putting in this gallery.


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Merry Christmas from Orion Ranch Observatory

Hoping you and yours have a blessed, safe, and Merry Christmas and a Happy New Year.


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New Astrometry Data Now Online!

After quite a bit of work, I’m proud to announce the incorporation of astrometry data to my astrophotography gallery. By incorporating the API from into a custom module I developed for the gallery software, I can now provide annotated views of the images along with details of their location in the sky.  When you hover your mouse over the resized image in the gallery, the annotated version will appear.  You can still click on the image to get the standard full-window view.  On the right side you’ll see the star charts with the image location, starting with a full-sky map and zooming in to show more detail in each subsequent image.

Example astrometry gallery page.

Example astrometry gallery page.

I’ll be adding more features to detail the items found in the image and its exact location and other properties, but I wanted to get this posted before too much time passed.  For now, there’s just a link to the full sized annotated image just below the item description.

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