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Contains:  Merope nebula, NGC 1435, Maia nebula, NGC 1432, The star ηTau, The star Merope (23Tau), The star Sterope I (21Tau), The star Taygeta (19Tau), The star Electra (17Tau), The star Celaeno (16Tau)
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Deep inside the Seven Sisters, 





    
        

            Kees Scherer
Deep inside the Seven Sisters

Deep inside the Seven Sisters

Technical card

Imaging telescope or lens:Skywatcher 100 Esprit APO F5.5

Imaging camera:QHYCCD QHY16200A Mono

Mount:10Micron GM2000HPS II

Software:Astro Pixel ProcessorPixInsight 1.8

Filters:BGR

Accessory:ScopeDome 2M

Resolution: 2676x1779

Dates:Oct. 10, 2018

Frames:
B: 78x300" (gain: 1.00) -15C bin 1x1
G: 69x300" (gain: 1.00) -15C bin 1x1
R: 74x300" (gain: 1.00) -15C bin 1x1

Integration: 18.4 hours

Darks: ~50

Flats: ~25

Bias: ~150

Avg. Moon age: 1.43 days

Avg. Moon phase: 2.31%

Mean SQM: 20.70

Astrometry.net job: 2303276

RA center: 56.555 degrees

DEC center: 24.088 degrees

Pixel scale: 1.485 arcsec/pixel

Orientation: 269.378 degrees

Field radius: 0.663 degrees

Locations: Knight Observatory,Quinta Castelo Novo, Serra de Tomar, Portugal

Data source: Backyard

Description

I used 2 x drizzle in APP and reduction to 75% after processing. This crop focusses on the center with the overwhelming blue reflection Nebulae.

Comments

Author

keesscherer
Kees Scherer
License: Attribution Creative Commons
2725
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Deep inside the Seven Sisters, 





    
        

            Kees Scherer

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