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M42, ASI120MC, Autostakkert!3

Posted: Thu Feb 08, 2018 1:22 am
by turfpit
A recent capture of M42 with an ASI120MC. Camera settings file below.

Celestron C8, CG5 mount, TS f6.3 reducer, ASI120MC, no filters
1280 x 960, 100 x15s, gain=20, brightness=10, 50 darks, no flats, output to FITS

Autostakkert!3 (see screen below) was used to:
  • create a master dark
  • calibrate the lights
  • debayer
  • stack
The TIF output file was processed with Photoshop.
M42-100x15s-g20-br10.png
M42-100x15s-g20-br10.png (119.7 KiB) Viewed 1266 times

This is a test capture loaded in FITS Liberator to ensure a reasonable histogram and tonal range
before capturing the 100 frames.
M42-100x15s-histogram.PNG
M42-100x15s-histogram.PNG (51.03 KiB) Viewed 1266 times

Autostakkert took around 15s to process the data files on a quad core Xeon 3.4GHz with 16Gb memory and a dedicated RAID0 striped array comprising 2 x 240Gb SSD drives.
AS!3-process.PNG
AS!3-process.PNG (46.45 KiB) Viewed 1266 times

Dave