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Contains:  IC 1396
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Elephant's Trunk Nebula in Hubble Palette, 



    
        

            Min Xie
Elephant's Trunk Nebula in Hubble Palette
Powered byPixInsight

Elephant's Trunk Nebula in Hubble Palette

Technical card


Dates:July 25, 2019July 26, 2019July 27, 2019July 28, 2019July 30, 2019July 31, 2019Aug. 1, 2019Aug. 10, 2019Aug. 11, 2019Aug. 12, 2019Aug. 13, 2019

Frames:
Astrodon 3nm Ha 31mm: 144x300" (gain: 139.00) -10C bin 1x1
Astrodon 3nm OIII 31mm: 192x300" (gain: 74.00) -10C bin 1x1
Astrodon 3nm SII 31mm: 192x300" (gain: 139.00) -10C bin 1x1
Astrodon E Series Gen II Blue 31mm: 96x31" (gain: 0.00) -10C bin 1x1
Astrodon E Series Gen II Green 31mm: 75x38" (gain: 0.00) -10C bin 1x1
Astrodon E Series Gen II Red 31mm: 60x60" (gain: 0.00) -10C bin 1x1

Integration: 46.6 hours

Darks: ~40

Flats: ~40

Bias: ~60

Avg. Moon age: 18.11 days

Avg. Moon phase: 43.63%

Bortle Dark-Sky Scale: 9.00

Mean SQM: 18.00

Temperature: 32.83


Basic astrometry details

Astrometry.net job: 3248587

RA center: 21h 34' 23"

DEC center: +57° 41' 27"

Pixel scale: 1.708 arcsec/pixel

Orientation: 268.852 degrees

Field radius: 0.930 degrees


Resolution: 2353x3137

Locations: Backyard, Coppell, Texas, United States

Data source: Backyard

Description

Created a Hubble Palette version. Same data as the previous one but different framing. For capture descriptions, please take a look here: Revisiting Elephant's Trunk Nebula.

Comments are welcome!

Pre-processing of Narrowband Masters

- Calibration / Integration, Astro Pixel Processor
- Deconvolution, PixInsight (Only for H-Alpha)
- MultiscaleMedianTransform (Denoise), PixInsight
- ScreenTransferFunction / HistogramTransformation, PixInsight.

Pre-processing of RGB Masters

- Calibration / Integration, Astro Pixel Processor
- Dynamic Background Extraction, PixInsight
- MorphologicalTransformation, PixInsight
- ScreenTransferFunction / HistogramTransformation, PixInsight.

RGB Combination

- LRGBCombination, PixInsight
- MorphologicalTransformation, PixInsight
- ScreenTransferFunction / HistogramTransformation, PixInsight.

Narrowband Combination

- SHO-AIP Script, PixInsight
- ScreenTransferFunction / HistogramTransformation, PixInsight.

Narrband & RGB Combination
- Star adjustment, Lightroom
- Final Touch-up, Photoshop

Comments

Author

mxcoppell
Min Xie
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Elephant's Trunk Nebula in Hubble Palette, 



    
        

            Min Xie