Hi all,
I have been experimenting with attaching a CCD to the old 16" refractor at the Goodsell Observatory. This is a massive instrument, with a focal ratio of f/15! It was build in the 1880's and still has the old weight drive. This makes imaging VERY difficult as there is no way of guiding. After a few nights I have managed to adjust the drive so that I can take 120 second images without too must drift.
It was taken with an SBIG ST-8, binned 2x2.
Here are a few of the first images. This one is of M57 and is a combination of 3, 120 second images, processed with Megafix.
Cheers,
Maurice
I have been experimenting with attaching a CCD to the old 16" refractor at the Goodsell Observatory. This is a massive instrument, with a focal ratio of f/15! It was build in the 1880's and still has the old weight drive. This makes imaging VERY difficult as there is no way of guiding. After a few nights I have managed to adjust the drive so that I can take 120 second images without too must drift.
It was taken with an SBIG ST-8, binned 2x2.
Here are a few of the first images. This one is of M57 and is a combination of 3, 120 second images, processed with Megafix.
Cheers,
Maurice
Attached Image:
* Teach a man to fish and you feed him for a day.
* Teach a man to use the internet and he won't bother you for weeks.