Hemisphere:  Northern  ·  Contains:  IC 359  ·  The star φTau
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VDB 27, 



    
        

            Jon Rista
VDB 27
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VDB 27

Technical card

Imaging telescopes or lenses: Canon EF 600mm f/4 L II

Imaging cameras: Canon 5D mark III

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: ORION 80mm Short Tube

Guiding cameras: QHY5L-II Mono

Software: BackyardEOS v3  ·  PixInsight PixInsinght


Dates:Oct. 9, 2015Oct. 10, 2015Oct. 12, 2015

Frames:
21x600" ISO800 20C bin 1x1
9x660" ISO800 20C bin 1x1
18x600" ISO800 23C bin 1x1

Integration: 8.2 hours

Darks: ~20

Flats: ~30

Bias: ~200

Avg. Moon age: 27.60 days

Avg. Moon phase: 5.47%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 21.20

Mean FWHM: 4.00

Temperature: 15.00


Basic astrometry details

Astrometry.net job: 881366

RA center: 4h 18' 27"

DEC center: +28° 15' 10"

Pixel scale: 2.207 arcsec/pixel

Orientation: -0.846 degrees

Field radius: 2.034 degrees


Resolution: 620x429

Locations: East Quincy Dark Site (Far End), Aurora, CO, United States

Description

Added revision D, which contains an annotated version from PI showing most of the objects in the frame (vdB 27 is not showing for some reason).

Added revision E, which has even further reduced color noise. The color noise on this camera gets pretty wicked during the summer, takes many passes of NR to eliminate it.

Comments

Author

jrista
Jon Rista
License: None (All rights reserved)
187319
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Revisions

  • VDB 27, 



    
        

            Jon Rista
    Original
  • VDB 27, 



    
        

            Jon Rista
    B
  • VDB 27, 



    
        

            Jon Rista
    C
  • VDB 27, 



    
        

            Jon Rista
    D
  • VDB 27, 



    
        

            Jon Rista
    E
  • Final
    VDB 27, 



    
        

            Jon Rista
    F

Sky plot

Sky plot

Histogram

VDB 27, 



    
        

            Jon Rista