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



    
        

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

Technical card


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


Basic astrometry details

Astrometry.net job: 3256017

RA center: 5h 34' 56"

DEC center: -5° 23' 31"

Pixel scale: 1.913 arcsec/pixel

Orientation: 193.095 degrees

Field radius: 1.143 degrees


Resolution: 3366x2682

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
Ben
License: None (All rights reserved)
3791
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M42 with Samyang 135 and mixed datas from ASI224MC and ASI178MM, 



    
        

            Ben

In these public groups

Samyang 135 f/2