M57 with modded D300

Camera: D300 without IR-cut filter.

Optics: Celestron EdgeHD 9,25"

Guiding: LVI SmartGuider2

 

DeepSkyStacker:

Stacking mode: Standard

Alignment method: Bicubic

Stacking 25 frames (ISO: 800) - total exposure: 50 mn 23 s

 

RGB Channels Background Calibration: Yes

Per Channel Background Calibration: No

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Offset: 87 frames exposure: 1/8000 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Dark: 17 frames exposure: 2 mn

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

No Flat

 

Postprocessing in PixInsight 1.7

 

www.flickr.com/photos/14721988@N02/7848791952/in/photostr... processing screenshot

Done