Re: Software advice for stacking photos

Beta Persei <betax6_nospam@xxxxxx> wrote:

> <gingerdazza@xxxxxxxxx> ha scritto nel messaggio
> news:1133183416.393837.226660@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>I want to get some decent wide angle atrso images (Milky Way etc). I
>> was hoping to use the stacking technique. A friend uses Registax but
>> says that it only stacks using one point of reference. For the entire
>> image to match up surely you need at least two points of reference?
>> Anyone know some cheapish software that does multi-point stack
>> references?
>>
>> Thanks
>>
> Try Iris. There isn't anything cheaper...
> http://www.astrosurf.com/buil


It's kind of pricey, but this is something that Mira from Axiom
Research does very well. (I often pull images over to the PC from
the middle of an IRAF reduction for this step because it's
much more convenient).

And as I understand it, Registax doesn't exactly use a single point
but the cross-correlation between regions in two images - so if
you can hand it a big enough registration box to encompass both
points of reference, that should work.

Bill Keel

.

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