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Propeller nebula - DBW 111 - LRGB composition - Hybrid Palette

Technical card

Resolution: 2464x3276

Astrometry.net job: 817232

RA center: 304.005 degrees

DEC center: 43.391 degrees

Pixel scale: 2.096 arcsec/pixel

Orientation: 4.651 degrees

Field radius: 1.193 degrees

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland

Description

Data from POSS-II Survey and David Lindemann

To improve colors and details, I have used an hybrid color palette composed by narrowband, red and blue data that shows together primary and complementary colors along a continuum.

Additional SHO data have been captured in Summer 2013

Captured 08/03/2015 with Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT (http://www.innovationsforesight.com/), Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha 5nm filter on 10micron GM2000 HPS II

8 x 10 minutes unbinned = 1h20

POSS-II Survey (http://www.astro.caltech.edu/~wws/poss2.html) 9 panels of 60x60 arc/min for Red and Blue data)

Cannistra Bicolor Technique: http://www.starrywonders.com/bicolortechniquenew.html

Software: MaximDL to capture - CCDStack to calibrate, register, normalize, data reject and combine - Photoshop CS5 and PixInsight for non-linear streching, star reduction, color combine and adjustment.

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David Lindemann
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Propeller nebula - DBW 111 - LRGB composition - Hybrid Palette, David Lindemann