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Contains:  M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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M42 with Samyang 135 and mixed datas from ASI224MC and ASI178MM, 





    
        

            netspoon
M42 with Samyang 135 and mixed datas from ASI224MC and ASI178MM

M42 with Samyang 135 and mixed datas from ASI224MC and ASI178MM

Technical card

Resolution: 3366x2682

Dates:Feb. 7, 2019Feb. 25, 2019

Frames:
Baader f/2 Highspeed 1.25" H-Alpha Filter: 249x15" (gain: 150.00) 20C bin 1x1
Astronomik CLS-CCD: 35x10" (gain: 200.00) bin 1x1
Astronomik CLS-CCD: 34x2" (gain: 200.00) bin 1x1
Astronomik CLS-CCD: 27x30" (gain: 200.00) bin 1x1

Integration: 1.4 hours

Darks: ~67

Flats: ~100

Flat darks: ~100

Bias: ~100

Avg. Moon age: 11.76 days

Avg. Moon phase: 33.19%

Bortle Dark-Sky Scale: 6.00

Astrometry.net job: 2714775

RA center: 83.734 degrees

DEC center: -5.393 degrees

Pixel scale: 1.913 arcsec/pixel

Orientation: 193.098 degrees

Field radius: 1.143 degrees

Locations: Backyard, Saint-Orens de Gameville, France

Data source: Backyard

Description

I have used old RGB datas from ASI224MC and Ha from ASI178MM.
Ha has been used in red channel and for luminance.

old RGB datas

Ha datas

- Decent result from my polluted backyard
- Guiding has been used for Ha datas
- HDR composition has been done with RGB datas

Comments

Author

netspoon
netspoon
License: None (All rights reserved)
1350
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M42 with Samyang 135 and mixed datas from ASI224MC and ASI178MM, 





    
        

            netspoon

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Samyang 135 f/2