Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  -0.73  ·  4 Sgr  ·  7 Sgr  ·  9 Sgr  ·  B296  ·  B302  ·  B303  ·  B85  ·  B88  ·  B89  ·  B91  ·  Hourglass nebula  ·  IC 1274  ·  IC 1275  ·  IC 4685  ·  IC1274  ·  IC1275  ·  IC4684  ·  IC4685  ·  Lagoon nebula  ·  M 20  ·  M 21  ·  M 8  ·  M20  ·  M21  ·  M8  ·  Mercury  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  And 20 more.
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Messier 20 & 8, Mosaik, 



    
        

            Big_Dipper
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Messier 20 & 8, Mosaik

Technical card

Imaging telescopes or lenses: Omegon ED 66/400 apo

Imaging cameras: Canon 1100D modifiziert

Mounts: Skywatcher AZ EQ6 GT

Guiding telescopes or lenses: Orion Optics UK CT10

Guiding cameras: Lacerta M-Gen

Focal reducers: Omegon Field Flattener 2"

Software: Guide 9.0  ·  Image Composite Editor  ·  Pixinsight 1.8


Dates:Aug. 15, 2017

Frames: 10x600" ISO800

Integration: 1.7 hours

Darks: ~10

Flats: ~20

Bias: ~100

Avg. Moon age: 22.62 days

Avg. Moon phase: 44.94%


Astrometry.net job: 2109681

RA center: 18h 4' 39"

DEC center: -23° 41' 55"

Pixel scale: 2.576 arcsec/pixel

Orientation: 6.087 degrees

Field radius: 2.305 degrees


Resolution: 4211x4874

Locations: Homeobservatory , Roding, Bayern, Germany

Data source: Backyard

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Messier 20 & 8, Mosaik, 



    
        

            Big_Dipper