Hemisphere:  Northern  ·  Constellation: Taurus (Tau)
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Sh2-239, 



    
        

            Murtsi
Sh2-239
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Sh2-239

Technical card

Imaging telescopes or lenses: GSO 10" F4 Newton

Imaging cameras: SBIG STF 8300M

Mounts: Celestron CGEM

Guiding telescopes or lenses: GSO 10" F4 Newton

Guiding cameras: SBIG OAG 8300 with ST-I

Focal reducers: ASA 2" Reducer 0,73 ASA 2" x0.73 Corrector/Reducer 2KORRR

Software: PixInsight 1.8  ·  Adobe Photoshop CS5  ·  PHD Guiding 2  ·  APT - Astro Photography Tool  ·  stellarium 0.12.1

Filters: Baader Luminance 36 mm  ·  Baader Red 36 mm  ·  Baader Green 36 mm  ·  Baader Blue 36 mm

Accessory: SBIG FW8 8300  ·  Baader Steeldrive motorfocus


Dates:Dec. 16, 2015

Frames:
Baader Blue 36 mm: 23x300" -21C bin 1x1
Baader Green 36 mm: 24x300" -21C bin 1x1
Baader Luminance 36 mm: 20x600" -21C bin 1x1
Baader Red 36 mm: 15x300" -21C bin 1x1

Integration: 8.5 hours

Darks: ~20

Flats: ~20

Bias: ~100

Avg. Moon age: 5.12 days

Avg. Moon phase: 26.87%


Basic astrometry details

Astrometry.net job: 901723

RA center: 4h 31' 38"

DEC center: +18° 2' 27"

Pixel scale: 2.043 arcsec/pixel

Orientation: 177.835 degrees

Field radius: 0.832 degrees


Resolution: 2349x1756

Data source: Backyard

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Sh2-239, 



    
        

            Murtsi