Quote:
Originally Posted by Kirkus
It does look green. Funny how nice it looks until it's side by side with other more accurate photos.  Thanks, Stephen.
I'm noticing a lot of different orientations of the planet in the photos here. Is there a widely accepted rule or consensus on how to orient the planets when photographing? Obviously the image itself will be different depending on the design of the scope being used.
I've usually tried to orient my camera with the horizon when the scope is in the home position. When I shot this image I was close to a flip, which I guess explains the whacky orientation. |
Hi Kirus,
Regarding the orientation of planetary images. As Glen has said, it is your image and what ever looks good to you is fine. That said, the IAU convention regarding this point is South up and West to the right.
Regarding the angle the planet appears in the frame.
I always adjust the rotation of my DMK in the focuser, such that the movement of the planet in R.A. is parallel to the bottom of my capture screen, that is, if you turn off your R.A. drive the planet will drift parallel with the long axis of you CCD chip. The DMK is 640 x 480 pixels so this movement will be parallel with the edge of the 640 pixel side of the chip. As my GEM is very accurately polar aligned, this means I only have to make minor adjustments with my drive corrector in one axis, that of R.A.
Hope this makes sense.
Regards
Trevor