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Contains:  Extremely wide field
Getting plate-solving status, please wait...
North America & Co, 


            Samuli Ikäheimo

North America & Co

Technical card

Imaging telescopes or lenses:Canon EF 100mm f/2.0

Imaging cameras:Canon 6D

Mounts:iOptron SkyTracker

Dates:April 22, 2014

Frames: 1x30" ISO3200

Integration: 0.0 hours

Avg. Moon age: 22.33 days

Avg. Moon phase: 48.07%

Basic astrometry details job: 518175

Resolution: 9711x5629

Locations: Pulkkilanharju, Asikkala, Finland


A three-image-mosaic of the surroundings of North America Nebula. Single exposures, no stacking. Canon EOS 6D, ISO 3200, 30s, EF 100/2 @ f/2.0.

The 100mm lens seems to have very even field even wide open and coma can be found only in the extreme corners. Unfortunately brighter stars have ugly fringe in them, but most of it goes away @ f/2.8.

Stitched with PTGui Pro. A version as-is, B version with slight fringe kill in Lightroom.



Samuli Ikäheimo
License: None (All rights reserved)


  • North America & Co, 


            Samuli Ikäheimo
  • Final
    North America & Co, 


            Samuli Ikäheimo


North America & Co, 


            Samuli Ikäheimo