Quote:
Originally Posted by sjastro
That's not to say that Rolf's ultra deep sky imaging or even the my own version of "mathematical jiggery pokery" is without scientific merit when applied to activities such as sky surveys.
Steven
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In the below (linked) thread, we discussed the feasibility of an amateur H-alpha survey of the Milky Way, given that some individual amateur Ha exposures now show a lot more than some of the short-exposure Ha survey images that were made by professional astronomers.
For instance, VPHAS+, the latest professional H-alpha survey of the MW has the deficiency of:
- short exposures (2 minutes)
- no coverage at high galactic latitude
See:
http://www.iceinspace.com.au/forum/s...+survey&page=2