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Contains:  NGC 884, Double cluster, NGC 869, The star 7Per, The star 8Per
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Ha + Chi Cluster, 


            Stefan Westphal
Ha + Chi Cluster

Ha + Chi Cluster

Technical card

Resolution: 2242x1650

Dates:Aug. 16, 2018

Baader Planetarium 36mm Blue: 8x240" -20C bin 1x1
Baader Planetarium 36mm Green: 9x240" -20C bin 1x1
Baader Planetarium 36mm Red: 9x240" -20C bin 1x1

Integration: 1.7 hours

Darks: ~17

Flats: ~31

Bias: ~159

Avg. Moon age: 5.60 days

Avg. Moon phase: 31.49%

Bortle Dark-Sky Scale: 2.00

Mean FWHM: 21.60 job: 2334886

RA center: 35.160 degrees

DEC center: 57.135 degrees

Pixel scale: 3.690 arcsec/pixel

Orientation: 180.239 degrees

Field radius: 1.426 degrees

Locations: Emberger Alm - Sattlegger, Greifenburg, Kärnten, Austria

Data source: Traveller


Date: 17.08.2018
Location: Emberger Alm / Carintia Austria
Telescope: SGN 44 f3,9
Corrector: Gyulai GPU
Camera: Atik 383L+ at -20°C
integration time: RGB 36:36:32min
Guiding: Ts Off Axis Guider and M-Gen ll
Processing: DSS, Fitswork, Photo Shop CS6



Stefan Westphal
License: None (All rights reserved)

Sky plot

Sky plot


Ha + Chi Cluster, 


            Stefan Westphal