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Contains:  IC 1396
Getting plate-solving status, please wait...
Elephant's Trunk Nebula in Hubble Palette, 



    
        

            Min Xie

Technical card

Imaging telescopes or lenses: Takahashi FSQ-85EDP

Guiding telescopes or lenses: QHYCCD QHYOAG-M

Guiding cameras: ZWO ASI120mm-Mini

Focal reducers: Takahashi Flattener 1.01x

Software: ProDigital Software StarSpikes Pro 4  ·  StarNet++  ·  Adobe Lightroom Classic 2019  ·  Adobe Photoshop 2019 CC  ·  Astro Pixel Processor  ·  Sequence Generator Pro  ·  PixInsight 1.8 Ripley

Filters: Astrodon 3nm SII 31mm  ·  Astrodon 3nm OIII 31mm  ·  Astrodon 3nm Ha 31mm  ·  Astrodon E Series Gen II Blue 31mm  ·  Astrodon E Series Gen II Red 31mm  ·  Astrodon E Series Gen II Green 31mm

Accessory: PrimaLuceLab Sesto Senso Robotic Focusing Motor  ·  ZWO EFW  ·  Kingdel NC860 (i7-8550U)


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: 3836997

RA center: 21h 33' 6"

DEC center: +57° 53' 24"

Pixel scale: 4.800 arcsec/pixel

Orientation: 269.754 degrees

Field radius: 1.370 degrees


Resolution: 1293x1597

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
Like

Revisions

  • Final
    Elephant's Trunk Nebula in Hubble Palette, 



    
        

            Min Xie
    Original
  • Elephant's Trunk Nebula in Hubble Palette, 



    
        

            Min Xie
    B

B

Description: Highly commended: The Misty Elephant's Trunk Insight Investment Astronomy Photographer of the Year 2020 - Stars and Nebula - Royal Museums Greenwich

Sky plot

Sky plot

Histogram

Elephant's Trunk Nebula in Hubble Palette, 



    
        

            Min Xie