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Contains:  M 101, NGC 5457
Getting plate-solving status, please wait...
M101 LRGB+Ha, 





    
        

            Mark Holbrook
M101 LRGB+Ha

M101 LRGB+Ha

Technical card

Resolution: 2892x1987

Dates:March 30, 2017

Integration: 0.0 hours

Avg. Moon age: 2.67 days

Avg. Moon phase: 7.86%

Astrometry.net job: 1532952

RA center: 210.819 degrees

DEC center: 54.368 degrees

Pixel scale: 0.722 arcsec/pixel

Orientation: 90.337 degrees

Field radius: 0.352 degrees

Data source: Backyard

Description

Unguided on Paramount MX+ using Hyperstar

50x45sec for RGB
205x45sec for Lum
80x90sec for Ha

I think its interesting to compare this image using 6.5 hours of data with my very first posted here which was done a year ago using a Canon 6D, guided on the same mount, using the .7 reducer using over 8 hrs of data.

Comments

Author

Mark_Holbrook
Mark Holbrook
License: None (All rights reserved)
10156
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Revisions

  • M101 LRGB+Ha, 





    
        

            Mark Holbrook
    Original
  • Final
    M101 LRGB+Ha, 





    
        

            Mark Holbrook
    B

B

cropped

Sky plot

Sky plot

Histogram

M101 LRGB+Ha, 





    
        

            Mark Holbrook