Imaging telescopes or lenses: CELESTRON EdgeHD 8
Imaging cameras: QHYCCD QHY8L
Mounts: Sky-Watcher AZ-EQ6 Synscan
Guiding telescopes or lenses: CELESTRON EdgeHD 8
Focal reducers: Celestron .7x
Software: Sequence Generator Pro · PixInsight · PHD Guiding 2.5.0
Filters: Hutech IDAS LPS-V4
Accessory: Starlight Xpress Lodestar x2 · Starlight Xpress AO Unit · QHYCCD PoleMaster · Starizona MicroTouch Autofocuser
Dates:Aug. 2, 2016 , Aug. 3, 2016 , Aug. 5, 2016
Frames:Hutech IDAS LPS-V4 : 13x1800" -15C bin 1x1
Integration: 6.5 hours
Darks: ~7
Flats: ~5
Bias: ~50
Avg. Moon age: 10.79 days
Avg. Moon phase: 2.69%
Mean SQM: 21.20
Mean FWHM: 2.40
Temperature: 18.00
Astrometry.net job: 1253960
RA center: 21h 34' 52"
DEC center: +57° 30' 13"
Pixel scale: 1.086 arcsec/pixel
Orientation: -10.923 degrees
Field radius: 0.551 degrees
Resolution: 3040x2024
Locations: Duc, Prayssas, Lot et Garonne, France
I use the Hutech LPV4 filter to boost teh Ha and O3 lines. However, I got most of the signal in the red and I was not able to display information in the green and blue channel. I guess for that you need NB imaging ?
Pre-processing done in Pixinsight :
- overscan area offset correction
- bias correction
- dark correction using 7 x 1800 s darks
- flat correction
- hot pixel correction
- debayer
- registration
- stack
Processing done in Pixinsight :
- backgroung color neutralisation
- color calibration using nebula
- non linear image creation
- color saturation boost masked
- TGV denoise (no mask)
Final image :
- jpeg calibration done in Mac Photo (levels adjust and further saturation boost)
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