Hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  NGC 1893
Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien
Snorkeling with the Tadpoles
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Snorkeling with the Tadpoles

Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien
Snorkeling with the Tadpoles
Powered byPixInsight

Snorkeling with the Tadpoles

Technical card

Imaging telescopes or lenses: Celestron 9.25 EdgeHD

Imaging cameras: ZWO ASI6200MM Pro  ·  ZWO ASI128MC Pro

Mounts: iOptron CEM120EC

Guiding telescopes or lenses: Astromania 60mm Guide Scope

Guiding cameras: ZWO ASI290MM mini

Focal reducers: Celestron 0.7x Focal Reducer

Software: ASCOM Platform 6  ·  NINA  ·  darkarchon EZ Processing Suite  ·  Pleiades Astrophoto PixInisight 1.8 Ripley (x64)  ·  Cartes du Ciel  ·  Open PHD Guiding PHD2 Guiding  ·  StarNet++  ·  Affinity Photo

Filters: Astrodon Tru-Balance Generation 2 E-Series - L 50mm - NIR Blocked  ·  Astrodon SII 5nm 50 mm Square  ·  Astrodon OIII 5nm 50 mm Square  ·  Astrodon Ha 5nm 50 mm Square

Accessory: Starizona Microtouch Autofocuser  ·  Guzila Fanless Mini PC Intel Core i5-5257U  ·  iOptron Tri-Pier 360  ·  Baader UFC Filter Slider


Dates:Dec. 19, 2020Dec. 20, 2020

Frames:
Astrodon Ha 5nm 50 mm Square: 78x180" (3h 54') (gain: 200.00) -10C bin 2x2
Astrodon OIII 5nm 50 mm Square: 55x180" (2h 45') (gain: 200.00) -10C bin 2x2
Astrodon SII 5nm 50 mm Square: 95x180" (4h 45') (gain: 200.00) -10C bin 2x2
Astrodon Tru-Balance Generation 2 E-Series - L 50mm - NIR Blocked: 100x120" (3h 20') (gain: 240.00) -15C bin 1x1

Integration: 14h 44'

Darks: ~46

Flats: ~32

Flat darks: ~32

Avg. Moon age: 5.53 days

Avg. Moon phase: 30.92%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.61

Temperature: -2.50


Basic astrometry details

Astrometry.net job: 4349667

RA center: 5h 22' 29"

DEC center: +33° 22' 30"

Pixel scale: 1.109 arcsec/pixel

Orientation: 44.920 degrees

Field radius: 0.714 degrees


Resolution: 3840x2599

Locations: N. America, Pahrump, Nevada, United States

Data source: Backyard

Description

IC410 in SHO (with RGB stars), as seen while gazing upward through the pond scum.

I collected enough OSC photons for a separate natural color image eventually, but herein used the OSC data only for RGB stars.

Comments

Revisions

  • Final
    Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien
    Original
  • Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien
    B
  • Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien
    C
  • Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien
    D

B

Description: An alternative SHO rendering in suppressed green.

Uploaded: ...

C

Description: Alternate palette with medium green.

Uploaded: ...

D

Description: Brightened rev. C a bit and decided that I like the vertical format most. Revs B, C and D are more respectful of black levels and the histogram but for the Final version I crushed these intentionally for pond-bottoms aesthetic effect.

Uploaded: ...

Sky plot

Sky plot

Histogram

Snorkeling with the Tadpoles, 



    
        

            Jim Lindelien