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Hemisphere:  Southern  ·  Contains:  Great Nebula in Orion, M 42, M 43, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, The star 42Ori, The star 45Ori, The star θ1Ori, The star θ2Ori, The star ιOri
Getting plate-solving status, please wait...
Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez
Orion Nebula - 1st HDR
Powered byPixInsight

Orion Nebula - 1st HDR

Technical card

Imaging telescopes or lenses: William Optics GT-81

Imaging cameras: SBIG STF-8300M

Mounts: Orion Sirius EQ-G

Guiding telescopes or lenses: Orion Magnificent Mini Autoguider

Guiding cameras: Orion StarShoot AutoGuider

Focal reducers: William Optics 2" 0.8x Reducer / Field Flattener 6A for GT81

Software: StarTools  ·  Pixinsight 1.8  ·  Nebulosity  ·  Photoshop CS2

Filters: UV/IR Cut 2"  ·  Baader Planetarium Green Filter 2"  ·  Baader Planetarium Blue Filter 2"  ·  Baader Planetarium Red Filter 2"


Dates:Feb. 18, 2014Feb. 20, 2014

Frames:
Baader Planetarium Blue Filter 2": 20x20" 0C bin 2x2
Baader Planetarium Blue Filter 2": 8x300" 0C bin 2x2
Baader Planetarium Green Filter 2": 20x20" 0C bin 2x2
Baader Planetarium Green Filter 2": 8x300" 0C bin 2x2
Baader Planetarium Red Filter 2": 20x20" 0C bin 2x2
Baader Planetarium Red Filter 2": 8x300" 0C bin 2x2
UV/IR Cut 2": 20x20" 0C bin 1x1
UV/IR Cut 2": 34x300" 0C bin 1x1

Integration: 5.3 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Avg. Moon age: 18.96 days

Avg. Moon phase: 80.75%


Basic astrometry details

Astrometry.net job: 194666

RA center: 5h 35' 26"

DEC center: -5° 22' 37"

Orientation: 87.788 degrees

Field radius: 1.619 degrees


Resolution: 620x471

Locations: Isabela, Puerto Rico, Isabela, PR, Puerto Rico

Description

Version change log:

A: 1st HDR try
B: Same as A, a bit of star reduction
C: Different approach to RGB HDR.
D: Healed a few satellite trails that were left from the original Luminance stack.
E: New Curves adjustment in PixInsight, satellite trail removal in PS CS2.

Comments

Author

Observatorio_Guajataca
Gustavo Sánchez
License: None (All rights reserved)
9752
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Revisions

  • Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez
    Original
  • Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez
    B
  • Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez
    C
  • Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez
    D
  • Final
    Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez
    E

Sky plot

Sky plot

Histogram

Orion Nebula - 1st HDR, 



    
        

            Gustavo Sánchez