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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194
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M51 - How to visualize Near Infrared light?, 





    
        

            Andreas Dietz
M51 - How to visualize Near Infrared light?

M51 - How to visualize Near Infrared light?

Technical card

Resolution: 1026x1062

Dates:March 30, 2017March 31, 2017Feb. 24, 2018March 21, 2018April 7, 2018

Frames:
B+W 486 UV/IR block: 314x30" ISO1600
Baader Planetarium Ha 36mm 7nm: 496x30" (gain: 270.00) bin 1x1
Heliopan Infrared RG-780: 228x30" ISO25600
Baader Planetarium OIII 36mm 8.5nm: 147x120" (gain: 270.00) bin 4x4
Baader Planetarium SII 36mm 8nm: 406x30" ISO25600

Integration: 16.9 hours

Avg. Moon age: 8.11 days

Avg. Moon phase: 32.26%

Astrometry.net job: 2104365

RA center: 202.489 degrees

DEC center: 47.229 degrees

Pixel scale: 1.067 arcsec/pixel

Orientation: 357.691 degrees

Field radius: 0.219 degrees

Locations: Home Observatory, Regensburg, Bavaria, Germany

Data source: Backyard

Description

... still looking for a pleasing way to visualize the NIR portion of deepsky objects. Here I've decided to add the NIR channel as a subtle orange tone. The other option would be a more reddish or purple tone, but those colors are already occupied by Ha, SII and OIII ;-)
What do you think?

Comments

Author

dakloifarwa
Andreas Dietz
License: Attribution-ShareAlike Creative Commons
3110
Like

Revisions

  • M51 - How to visualize Near Infrared light?, 





    
        

            Andreas Dietz
    Original
  • Final
    M51 - How to visualize Near Infrared light?, 





    
        

            Andreas Dietz
    C

C

crop to same FOV as in the original image

Sky plot

Sky plot

Histogram

M51 - How to visualize Near Infrared light?, 





    
        

            Andreas Dietz