Why I Wanted to Photograph M16
The Eagle has been a visual favorite and one that I’ve wanted to get a detailed image of for a long time. From my home, the Eagle never gets very high, and it is only out of the trees and the worst light pollution for a couple of hours a night at best. I had to make the most of the time I could capture.
Recently, I had seen a lot of amateur astrophotographers comparing their images with the famous Hubble version of the Pillars of Creation. It’s a fun thing to do. Some amateurs with larger scopes can get remarkably close in detail, but Hubble still has one huge advantage: no atmosphere.
So this was my take on that comparison. I used the specifications and costs of the two instruments — Hubble and my own imaging rig — as part of the comparison. For me, the fun is seeing just how much detail can be pulled out of a target like this with amateur equipment from a suburban backyard. But then again, my rig is about $16 billion dollars less than Hubble.
The Pillars of Creation Inside M16
M16, the Eagle Nebula, is an emission nebula and active star-forming region in Serpens, about 7,000 light-years away. The famous Pillars of Creation are enormous columns of gas and dust being sculpted by radiation and winds from young, massive stars. The tallest pillars extend roughly five light-years.
The Pillars became one of Hubble’s most recognizable images after the telescope photographed them in 1995. Hubble returned to the region with newer instrumentation, producing a sharper and wider view of the same structures.
Gear
- Telescope: Celestron C8 with Celestron 0.63× SCT reducer
- Camera: ZWO ASI533MC Pro
- Mount: Sky-Watcher HEQ5 Pro
- Filter: Askar ColourMagic D1 Ha+OIII 6 nm
- Guiding: William Optics UniGuide 50 with ZWO ASI462MC
- Control and focus: ASIAIR Plus and ZWO EAF
Image Acquisition
- Exposure: 294 × 60 seconds
- Total integration: 4 hours 54 minutes
- Capture dates: August 6, 8, 9 and 19, 2026
- Camera settings: Gain 100, bin 1×1, −10°C
- Calibration: 40 darks, 40 flats, 40 flat darks
- Sky: Bortle 6
Processing the Eagle Nebula in PixInsight
The image was stacked and processed entirely in PixInsight. It was drizzled at 2×.
Related AstroGuy Content
M16 was featured in the deep-sky portion of the July 2025 AstroGuy skies episode.
See the M16 Image on AstroBin
The full-resolution project is also posted on AstroBin, where you can view the image and project details as well.
Object and Hubble image reference: NASA — The Pillars of Creation.