Hi-resolution Bubble Nebula HaOIIIRGB

[Petergoodhew]

I've been experimenting at trying to tease out the highest resolution I can from my APM TMB 6" Refractor. To do this I've adopted a few techniques:

1. Having rejected poor subs I then examined each sub under high magnification, selecting only the very sharpest for processing fine detail (in this case it was 11 out of 57 Ha subs, and 9 out of 30 OIII subs). All subs were used for the background and background nebulosity.

2. Applying 200 iterations of deconvolution to remove as much blurring as possible.

3. Applying selective sharpening using a combination of High Pass filtering, Smart Sharpening, and Unsharp Mask.

So here's the end result. 32 hours of total integration.  57x1200s Ha, 30x1200s OIII, 10x300s Red, 10x300s Green, 12x300s Blue.

[Sunshine]

Very nice!! stars are pinpoints, colours and contrast are beautiful.

[JimothyC]

Lovely image, excellent sharpness. Your fussiness on the subs has really paid off. 

[peter shah]

very tight detail just lovely

[Petergoodhew]

12 hours ago, Sunshine said:

Very nice!! stars are pinpoints, colours and contrast are beautiful.

Thanks Sunshine!

[swag72]

Looks great Peter ???? out of interest, what program do you use for deconvolution?

[Petergoodhew]

12 minutes ago, swag72 said:

Looks great Peter ???? out of interest, what program do you use for deconvolution?

Thanks Sara.  I use CCDStack for calibration, data rejection, stacking and deconvolution - and then go into Photoshop.

[newbie alert]

Exceptional clarity..stars are fantastic,background dust just amazing..liking that one..

[carastro]

A really classy image, was this taken in London or Spain?

I suspect Spain.  

Carole

[Petergoodhew]

9 minutes ago, carastro said:

A really classy image, was this taken in London or Spain?

I suspect Spain.  

Carole

Yes Spain Carole - although most of the detail came from the narrowband so something similar should be possible from London.

[MarsG76]

Awesome result.

 

[Petergoodhew]

22 hours ago, MarsG76 said:

Awesome result.

 

Thanks Mars