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Contains:  NGC 1027, IC 1805, IC 1795, NGC 896
Getting plate-solving status, please wait...
H-Alpha - IC 1805 - Heart Nebula, 


            Min Xie
H-Alpha - IC 1805 - Heart Nebula

H-Alpha - IC 1805 - Heart Nebula

Technical card

Resolution: 1920x2560

Dates:Oct. 30, 2018

Frames:Astrodon 3nm Ha 31mm: 240x180" (gain: 139.00) -20C bin 1x1

Integration: 12.0 hours

Darks: ~50

Flats: ~50

Bias: ~90

Avg. Moon age: 20.86 days

Avg. Moon phase: 63.55%

Bortle Dark-Sky Scale: 9.00

Mean SQM: 18.05

Temperature: 3.00 job: 2403064

RA center: 37.983 degrees

DEC center: 61.467 degrees

Pixel scale: 3.749 arcsec/pixel

Orientation: 227.492 degrees

Field radius: 1.666 degrees

Locations: Backyard, Coppell, Texas, United States

Data source: Backyard


Attempting a panorama shot of the Heart Nebula. The panorama is made of the lower part and the upper part. Each with 6 hours of H-Alpha data. The outcome is not bad at all from the data collected in my inner city backyard.

Actually, the process is not as painful as I thought. Well, it's just one channel. The Astro Pixel Processor's panorama function worked flawlessly. Now I started to think how to do multi-channel stitching with Astro Pixel Processor and make it part of the tone mapping process.



- Calibration/Normalization/Integration, Astro Pixel Processor
- Deconvolution, PixInsight
- MultiscaleLinearTransformation, PixInsight
- ScreenTransferFunction/HistogramTransformation, PixInsight
- Final touch-ups in Photoshop CC and Lightroom.



Min Xie
License: Attribution-NonCommercial Creative Commons


  • H-Alpha - IC 1805 - Heart Nebula, 


            Min Xie
  • Final
    H-Alpha - IC 1805 - Heart Nebula, 


            Min Xie


local adjustments...

Sky plot

Sky plot


H-Alpha - IC 1805 - Heart Nebula, 


            Min Xie