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Contains:  Extremely wide field
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Hyades open cluster in Taurus

Technical card

Imaging telescope or lens:Rokinon 135 mm f/2.0

Imaging camera:QSI583wsg5

Mount:Astro-Physics Mach 1 GTO

Software:PixInsight 1.8

Accessory:Robofocus Stepper MotorFocuser

Resolution: 2504x3326

Astrometry.net job: 2516581

RA center: 67.123 degrees

DEC center: 16.900 degrees

Pixel scale: 8.614 arcsec/pixel

Orientation: 359.323 degrees

Field radius: 4.981 degrees

Locations: Deep Sky West, Rowe, NM, United States

Data source: Amateur hosting facility

Remote source: DeepSkyWest

Description

I processed this data in Dec 2017 and returned to it in March and April 2018. First time posting to astrobin. Originally posted on FB. There is an oval, uncorrected lens flare in the middle right side caused by the bright Aldeberan. First time I saw one of those in my image data I thought it was some kind of undiscovered nebula. :-)

L = 36x 300s (12/10 - 12/12/2017)
R = 47x 300s (12/8 - 12/16/2017)
G = 29x 300s (12/8 - 12/17/2017)
B = 39x 300s (12/8 - 12/17/2017)

After cleaning up a few noisy pixels and retuning the colors, eliminating green in the pursuit of perfection, I felt that some of the yellow vibrance of the original was lost while seeking mainly to eliminate a few rays of green coming out of Aldeberan, if you look closely. So, I set back the first to final as imperfect but good enough, especially if you don't zoom down to the pixels on the full size :-)

Comments

Author

scottstirling
Scott M. Stirling
License: None (All rights reserved)
2656
Like

Revisions

B

SCNR 0.60 Minimum Neutral and cleaned up a few noisy pixels around Aldeberan with Clone Stamp.

C

dial back red in HistogramTransformation after SCNR and reviewing.

Sky plot

Sky plot

Histogram

Hyades open cluster in Taurus, 





    
        

            Scott M. Stirling