recent images page now up

In article , Rexx Magnus
writes
http://www.astrospace.co.uk/gallery/...nt-images.html

Paul Money
Astrospace

I'm glad you posted this. I just decided to check out this newsgroup
after some advice from others who post in uk.comp.sys.mac. I've just
bought a Meade ETX-90PE (it'll be arriving today) and am hoping at
some point to use my EOS300D with it once I get used to the
telescope.

What sort of settings do you have to use with it - I'm assuming in
manual mode rather than any of the semi-automatic states?
I see you stacked a few images to get pictures, but can equivalent
results be obtained by using a bulb/switch to give longer exposures
than 30 seconds, or is this not really the issue?

Hi Rexx,

As others have noted you do need to be able to track quite well and I
use an EQ6 mount, polar aligned and levelled. The Canon 300D works well
for me and I use the manual setting, ISO between 200 and 1600 and
exposures of 20 or 30 seconds for clusters (fairly bright so don't need
as much exposure) and up to 1 or 2 minutes - depends upon when you
notice any trailing if the scope is not quite aligned. The more images
you can take to stack the better as it improves their signal to noise
ratio. I'm not experienced with using an ETX for photography but as the
others have mentioned you will get field rotation if you don't use a
wedge.
When you have a go at imaging - put up a page like I have share them
with us.

Best wishes

Paul
--
For my web site - Astrospace go to http://www.astrospace.co.uk
For Astro holidays that are outathis world go visit the following:
Fieldview http://www.fieldview.net/
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