Hemisphere:  Northern
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Abell 21, 



    
        

            Olivier
Abell 21
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Abell 21

Technical card

Imaging telescopes or lenses: Celestron C8-SGT XLT

Imaging cameras: QSI 683 wsg

Mounts: Advanced VX

Guiding telescopes or lenses: Stellarvue 50mm Guidescope

Guiding cameras: ZWO Design ASI120MC

Focal reducers: Celestron 6.3 Focal Reducer

Software: PHD2 Guiding  ·  Pleiades Astrophoto Pixinsight Core 1.8  ·  Sequence Generator Pro

Filters: Astrodon E-series 2 R  ·  Astrodon E-series 2 G  ·  Astrodon E-series 2 B

Accessory: MoonLite Crayford 2" Focuser


Dates:Feb. 3, 2016

Frames:
Astrodon E-series 2 B: 20x120" -20C bin 2x2
Astrodon E-series 2 G: 20x120" -20C bin 2x2
Astrodon E-series 2 R: 20x120" -20C bin 2x2

Integration: 2.0 hours

Darks: ~30

Flats: ~10

Bias: ~30

Avg. Moon age: 24.30 days

Avg. Moon phase: 27.87%


Basic astrometry details

Astrometry.net job: 942804

RA center: 7h 29' 0"

DEC center: +13° 15' 18"

Pixel scale: 1.803 arcsec/pixel

Orientation: -89.595 degrees

Field radius: 0.341 degrees


Resolution: 1113x786

Locations: My Backyard, Houston, Texas, United States

Comments

Author

oguerrea
Olivier
License: None (All rights reserved)
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Abell 21, 



    
        

            Olivier