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Contains:  Solar system body or event
Sunspot AR12741, 


            Eric Coles (coles44)

Sunspot AR12741

Imaging telescopes or lenses: Custom Built Folded Refractor 150 mm f/33 Custom Built

Imaging cameras: Point-Grey Grasshopper 3 POE M

Mounts: Astro-Physics 1100 GTO

Software: Photoshop CS5  ·  Maxim DL Pro 5

Filters: DayStar University 0.6 Angstrom

Resolution: 953x1512

Locations: My Back Deck, Glen Ellyn, Illinois, United States

Data source: Backyard


This was two different captures. One is the standard positive processing and the second inverted.



Eric Coles (coles44)
License: Attribution-NonCommercial-NoDerivs Creative Commons


Sunspot AR12741, 


            Eric Coles (coles44)

In these public groups

Narrowband imaging