Around a year ago I posted some shots M16 (Messier object 16 also known as the Eagle Nebula) which contains the somewhat famous object known as the Pillars of Creation from its image from the Hubble Telescope. I recently re-images this object with a bit more expertise in both imaging and processing than I had last year. Below are my newest Narrow band images of this nebula. These images contain much more detail than my earlier version.
The first one contains all the stars with the nebula
The second shows a version with the stars reduced
The third shows the nebula with most of the stars removed.
The early image can be seen at
https://www.uglyhedgehog.com/t-703834-1.html
All question comments and suggestions are welcome.

Tech info
M16 is an open star cluster sounded by a star forming emission nebula 5700 light years away in the constellation of Serpens Cauda. The pillars stretch out for ~between 4 and 5 light years (~25 to 30 trillion miles long). Note: the dark stands of dust in the nebula.

These narrow band images were created using, using 3 narrow band filters. These include a Hydrogen Alpha (Ha) centered at 671.6 nanometers (nm) to capture the Ha spectral line, Oxygen 3 (O3) to capture the doubled ionized oxygen spectral line at 500.7nm (and secondary line at 495.7nm) and the Sulphur 2 to capture the singly ionized Sulphur spectral line at 671.6 nm.

All the images were taken at F10 with a 4096 mm focal length using an ASI 6200MM pro camera using 1x1 binning, gain set to 100 and cooled to -12C. The filtered images were stacked and then combined using the Hubble Palette where O3 data is used for the blue channel, the Ha is used for the green channel and the S2 is used for the red channel. This produces a false color image but makes it easier to see the composition of a nebula.

Exposure times used per filter

Ha -21 exposures at 500 seconds each.
O3 -21 exposures at 500 seconds each.
S2 -20 exposures at 500 seconds each.

Hi Fotoartist
Thanks for viewing the images of the Eagle Nebula and for the comment. The telescope I used is a 4096mm Schmidt Cassegrain with a 16.25 inch mirror (F10). The sensor used in the ASI 6200mm pro is a Sony IMX455 full frame 62 megapixel CMOS sensor with a 16 bit ADC which gives you 14 stops of Dynamic Range.
To create this image I took a total of 62 exposures each 500 seconds long. 21 using the Ha filter, 21 using the O3 filter and 20 using the S2 filter. (I actually took a few more but only stacked the better ones). Total exposure time was ~8.6 hours taken over multiple nights. Each set of images for a given filter were then stacked separately and then assigned to a given color to create the image. Note: to get the images to fit under the 20meg limit I reduced there size by 20% rather than increase the compression in this case.

Around a year ago I posted some shots M16 (Messier object 16 also known as the Eagle Nebula) which contains the somewhat famous object known as the Pillars of Creation from its image from the Hubble Telescope. I recently re-images this object with a bit more expertise in both imaging and processing than I had last year. Below are my newest Narrow band images of this nebula. These images contain much more detail than my earlier version.
The first one contains all the stars with the nebula
The second shows a version with the stars reduced
The third shows the nebula with most of the stars removed.
The early image can be seen at
https://www.uglyhedgehog.com/t-703834-1.html
All question comments and suggestions are welcome.

Tech info
M16 is an open star cluster sounded by a star forming emission nebula 5700 light years away in the constellation of Serpens Cauda. The pillars stretch out for ~between 4 and 5 light years (~25 to 30 trillion miles long). Note: the dark stands of dust in the nebula.

These narrow band images were created using, using 3 narrow band filters. These include a Hydrogen Alpha (Ha) centered at 671.6 nanometers (nm) to capture the Ha spectral line, Oxygen 3 (O3) to capture the doubled ionized oxygen spectral line at 500.7nm (and secondary line at 495.7nm) and the Sulphur 2 to capture the singly ionized Sulphur spectral line at 671.6 nm.

All the images were taken at F10 with a 4096 mm focal length using an ASI 6200MM pro camera using 1x1 binning, gain set to 100 and cooled to -12C. The filtered images were stacked and then combined using the Hubble Palette where O3 data is used for the blue channel, the Ha is used for the green channel and the S2 is used for the red channel. This produces a false color image but makes it easier to see the composition of a nebula.

Exposure times used per filter

Ha -21 exposures at 500 seconds each.
O3 -21 exposures at 500 seconds each.
S2 -20 exposures at 500 seconds each.