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Contains:  M 81, Bode's nebulae, NGC 3031
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M81 - CCD LRGB + color from ASI294, 





    
        

            Thomas Richter
M81 - CCD LRGB + color from ASI294

M81 - CCD LRGB + color from ASI294

Technical card

Resolution: 3321x2461

Dates:Jan. 14, 2018

Frames: 78x300"

Integration: 6.5 hours

Avg. Moon age: 27.21 days

Avg. Moon phase: 5.98%

Astrometry.net job: 1898315

RA center: 148.916 degrees

DEC center: 69.070 degrees

Pixel scale: 1.103 arcsec/pixel

Orientation: 87.668 degrees

Field radius: 0.634 degrees

Locations: Nürnberg, Nürnberg, Bayern, Germany

Description

This image is a compartion to the previous picture of M81.
It shows the difference between a one shot camera like ASI294 and the classic LRGB procedure with a monocrome CCD camera.
All data were captured in Nürnberg (light polluted location).

Following data were processed:
- 09/29/2016:
Data only used for M81, not for stars
12x 300s (R,G,B), 24x 300s (L)
https://www.astrobin.com/274223/C/?image_list_page=2&nc=&nce=

- 01/06/2018:
Data only used for M81, not for stars
18x 300s (L)

- 01/14/2018:
Data used for stars
41x 300s Color with ASI294

Comments

Author

superelch
Thomas Richter
License: None (All rights reserved)
7723
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M81 - CCD LRGB + color from ASI294, 





    
        

            Thomas Richter

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Astrofreunde-Franken