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Contains:  IC 2574, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031, The star 32UMa, The star 27UMa, The star 24UMa, The star 22UMa
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M81/M82 Widefield, 





    
        

            Thilo Frey
M81/M82 Widefield

M81/M82 Widefield

Technical card

Imaging telescope or lens:Samyang 135mm f/2 ED UMC

Imaging camera:ZWO Optical ASI1600MM-Cool

Mount:Skywatcher EQ8 Pro

Guiding telescope or lens:APM APO 107/700

Guiding camera:Starlight Express Lodestar X2

Software:Pixinsight 1.8

Filters:Astronomik Deep-Sky RGBHa 12nm

Accessory:QHYCCD Polemaster

Resolution: 4344x3412

Dates:March 25, 2017March 26, 2017

Frames:
CLS CCD: 5x300" (gain: 139.00) -20C bin 1x1
CLS CCD: 3x600" (gain: 139.00) -20C bin 1x1
Astronomik Deep-Sky B: 6x150" (gain: 139.00) bin 1x1
Astronomik Deep-Sky B: 3x300" (gain: 139.00) bin 2x2
Astronomik Deep-Sky G: 6x150" (gain: 139.00) bin 1x1
Astronomik Deep-Sky G: 3x300" (gain: 139.00) bin 2x2
Astronomik Deep-Sky R: 6x150" (gain: 139.00) -20C bin 1x1
Astronomik Deep-Sky R: 3x300" (gain: 139.00) -20C bin 2x2
Ha 12nm: 6x300" (gain: 139.00) bin 1x1
Ha 12nm: 3x600" (gain: 139.00) bin 1x1

Integration: 3.4 hours

Darks: ~20

Flats: ~25

Bias: ~50

Avg. Moon age: 27.26 days

Avg. Moon phase: 6.01%

Temperature: 2.00

Astrometry.net job: 1509584

RA center: 149.776 degrees

DEC center: 68.996 degrees

Pixel scale: 6.033 arcsec/pixel

Orientation: -82.823 degrees

Field radius: 4.629 degrees

Locations: Mobile, near Balsthal, SO, Switzerland

Comments

Author

thfrey
Thilo Frey
License: None (All rights reserved)
1801
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M81/M82 Widefield, 





    
        

            Thilo Frey