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Thursday, January 09, 2014

 

Moon 9 January 2014 (OR what you do while waiting for Aurora)

The  Moon imaged on 9 January with a 1/60th second exposure at ISO 1600 taken with a Pentax K10D through my 4" reflector using a a T-ring adaptor. Click to embiggen for full effectThe  Moon imaged on 6 January with a 1/60th second exposure at ISO 1600 taken with a Pentax K10D through my 4" reflector using a a T-ring adaptor. Click to embiggen for full effect (the compare with the image from the 4th).The Crescent Moon imaged on 4 January with a 1/60th second exposure at ISO 1600 taken with a Pentax K10D through my 4" reflector using a a T-ring adaptor. Click to embiggen.

More testing with the Pentax in through telescope mode while waiting for aurora. I think I'm getting a better handle on the focus. Now if I can only get Registax to actually stack the images!

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Comments:
Hey Ian, imagej will register on a selected feature, say near the terminator. Then do z project max, or average. Rdgs cometal
 
G'Day Al

Unfortunately the moon rotates slightly in consecutive images (why? it's an equatorial mount! But unguided, so I have to frizt about to get the Moon back in the viewfinder)so one side of the Moon is perfectly aligned in ImageJ, and the other not :-(
 
Don't track just let it drift cross fov be able to line up then. rgd Al
 
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