m42_400mm_rework

7h20m on m42.

astromod canon 50d @ ISO800.

astronomik CLS clip-in filter

canon 200L f/2.8 + 2xTC @ f/8

 

main stack: 55x8 minutes exposure (7h20m)

shorter exposures for trapesium recovery: 10x15s, 10x30s, 10x60s

 

mount: orion skyview pro modded for GPUSB

autoguiding with PhD + meade DSI/celestron 50mm finderscope

 

calibrated, debayered (superpixel), registered and stacked with PixInsight 1.6.9

processing in PixInsight 1.6.9

 

reprocessed 10/2013 in PixInsight 1.8RC7

 

Done