Hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  59 ups Aqr  ·  Helix Nebula  ·  NGC 7293  ·  PK036-57.1  ·  The star υAqr
Getting plate-solving status, please wait...
NGC7293 Helix Nebula Ha, 



    
        

            Kyle Desrosier
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NGC7293 Helix Nebula Ha

Getting plate-solving status, please wait...
NGC7293 Helix Nebula Ha, 



    
        

            Kyle Desrosier
Powered byPixInsight

NGC7293 Helix Nebula Ha

Imaging Telescopes Or Lenses
William Optics Gran Turismo 81 APO (2018)
Imaging Cameras
ZWO ASI1600MM Pro
Mounts
Sky-Watcher EQ6-R Pro
Filters
ZWO Ha 36mm 7nm
Accessories
ZWO EFW 36 mm Filter Wheel · PrimaLuceLab Sesto Senso Robotic Focusing Motor · QHYCCD PoleMaster · William Optics Flat6A 0.8x Reducer Flattener
Software
CCDWare CCDInspector · QHYCCD PoleMaster · Incanus Ltd. APT AstroPhotography Tool · PHD2 Guiding · Pleiades Astrophoto PixInsight 1.8 Ripely
Guiding Telescopes Or Lenses
William Optics 50mm Guidescope
Guiding Cameras
Altair Astro GPCAM2 AR0130 Mono

Acquisition details

Dates:
Sept. 5, 2021 ·  Sept. 6, 2021
Frames:
ZWO Ha 36mm 7nm: 29x900" (7h 15') (gain: 200.00) -22C bin 1x1
Integration:
7h 15'
Darks:
30
Flats:
25
Bias:
100
Avg. Moon age:
28.45 days
Avg. Moon phase:
1.60%
Bortle Dark-Sky Scale:
4.00

RA center: 22h29m38s.52

DEC center: -20°5012.3

Pixel scale: 1.011 arcsec/pixel

Orientation: 21.311 degrees

Field radius: 1.554 degrees

More info:Open 

Resolution: 8883x6604

Locations: Colorado Home, Peyton, CO, United States

Data source: Backyard

Description

Practice processing the Ha portion of my data for the Helix Nebula while I wait for some moonless nights to finish capturing OIII and SII.

Processing Details

Pre-processing (for each channel)
  • Blink
  • ImageCalibration
  • CosmeticCorrection
  • SubframeSelector
  • StarAlignment
  • ImageIntegration
  • DrizzleIntegration

Linear Processing
  • DynamicCrop
  • BackgroundModelization
  • Deconvolution: DynamicPSF, star mask for local support, masked w/ nebula mask
  • MultiscaleLinearTransform: NR, masked w/ inverted low contrast mask
  • HistogramTransformation

Non-linear processing
  • TGVDenoise: luminance for local support, masked w/ inverted low contrast mask
  • HDRMultiscaleTransform: masked w/ nebula mask
  • LocalHistogramEqualization: masked w/ nebula mask
  • MultiscaleLinearTransform: sharpened, masked w/ nebula mask
  • MultiscaleMedianTransform: lightness NR, masked w/ inverted low contrast mask
  • MorphologicalTransformation: reduced star sizes, masked w/ star mask
  • ExponentialTransform: masked w/ nebula mask
  • HistogramTransformation: darkened background sky
  • MultiscaleMedianTransform: lightness NR, masked w/ inverted low contrast mask

Comments

Sky plot

Sky plot

Histogram

NGC7293 Helix Nebula Ha, 



    
        

            Kyle Desrosier