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Hemisphere:  Southern  ·  Contains:  Horsehead nebula, IC 431, IC 432, IC 434, IC 435, NGC 2023, NGC 2024, The star Alnitak (ζOri), The star σOri
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Alnitak and surroundings, 



    
        

            Gustavo Sánchez
Alnitak and surroundings
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Alnitak and surroundings

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 Field Flattener 81

Software: Pixinsight 1.8  ·  Nebulosity

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


Dates:Dec. 30, 2013

Frames:
Baader Planetarium Blue Filter 2": 5x400" 5C bin 2x2
Baader Planetarium Green Filter 2": 5x400" 5C bin 2x2
Baader Planetarium Red Filter 2": 5x400" 5C bin 2x2
UV/IR Cut 2": 27x400" 5C bin 1x1

Integration: 4.7 hours

Darks: ~10

Flats: ~10

Flat darks: ~10

Avg. Moon age: 27.26 days

Avg. Moon phase: 5.70%


Basic astrometry details

Astrometry.net job: 164308

RA center: 5h 40' 46"

DEC center: -1° 58' 26"

Orientation: 88.613 degrees

Field radius: 1.295 degrees


Resolution: 620x827

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

Comments

Author

Observatorio_Guajataca
Gustavo Sánchez
License: None (All rights reserved)
10540
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Revisions

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Sky plot

Sky plot

Histogram

Alnitak and surroundings, 



    
        

            Gustavo Sánchez