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M51 RedCat Nebulosity v4.4.4


iapa

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419 x 60s images, 229 before meridian flip, 161 after.

Of the pre-meridian flip images 187/229 where used, 42 rejected for trailing etc.

Calibration:

  • Darks: 40 x 60s, temp -20C, Gain 111 - used with calibrated flats to calibrate lights
  • Bias: 100 x 1mS, bin = 1 - used to calibrate flats
  • Flat-Darks: 150 x 390ms. Bin=1 - not used
  • Flats: 150 x 390ms, bin = 1 -  calibrated with Bias, used with dark to calibrate lights

Equipment: 

  • RedCat51 Petzval lens,
  • imagining ASI 183MC pro, -20C, gain 111, bin inn = 1
  • guiding: WO slideguide, ASI 174MM
  • Misc: AVX mount, ASIAIR PRO, ASI EAF 16.5mm M48M-M48F

 

Cropped_Processed_Light_M51_60.0s_Bin1_183_gain111_20220301_-20.0C.tifCropped_Processed_Light_M51_60.0s_Bin1_183_gain111_20220301_-20.0C.bmp

 

this is a zoomed screen copy as attaching does not seem to be working for me

image.thumb.png.b2f53688d2f998d0205250ce1bdc663b.png

Edited by iapa
added a screen capture, corrected duration of lights
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58 minutes ago, iapa said:

419 hours of 60s images, 229 before meridian flip, 161 after.

Of the pre-meridian flip images 187/229 where used, 42 rejected for trailing etc.

Calibration:

  • Darks: 40 x 60s, temp -20C, Gain 111 - used with calibrated flats to calibrate lights
  • Bias: 100 x 1mS, bin = 1 - used to calibrate flats
  • Flat-Darks: 150 x 390ms. Bin=1 - not used
  • Flats: 150 x 390ms, bin = 1 -  calibrated with Bias, used with dark to calibrate lights

Equipment: 

  • RedCat51 Petzval lens,
  • imagining ASI 183MC pro, -20C, gain 111, bin inn = 1
  • guiding: WO slideguide, ASI 174MM
  • Misc: AVX mount, ASIAIR PRO, ASI EAF 16.5mm M48M-M48F

 

Cropped_Processed_Light_M51_60.0s_Bin1_183_gain111_20220301_-20.0C.tif 45.34 MB · 4 downloads Cropped_Processed_Light_M51_60.0s_Bin1_183_gain111_20220301_-20.0C.bmp 48.69 MB · 3 downloads

 

this is a zoomed screen copy as attaching does not seem to be working for me

image.thumb.png.b2f53688d2f998d0205250ce1bdc663b.png

419 hours??

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44 minutes ago, Neil27 said:

Possibly 419 images, each one 60 seconds , just under 7 hours?

pedant :)

corrected origin post

Edited by iapa
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