Hi Paul, Thanks for the retrospective. I wondered why I have fond feelings the smell of vinegar and your posting reminded me that it was probably having fun...
I am in the process of creating a series of education videos. I would like to license wide angle photos of M 31, M-11, and a globular cluster for inclusion in...
... Drew also got a most impressive APOD on 2/24/09 just a week ago: http://antwrp.gsfc.nasa.gov/apod/ap090224.html Dude's on a roll!! What many people don't...
Thanks John! Do you have any new images from down under you would like to share (err, knock our socks off with :-)? I thought I may have seen one or two on ...
hmmmm...not a single answer to my post on any of the forums..so will try again.....Does LPR filter help in front of RGB filters on monochrome CCD camera ? o or...
Hi Alex, I think (off the top of my head) is that broadband filters would generally help by shunting the light pollution into one filter or another which would...
Which LPR filter? There are filters which remove a substantial part of the spectrum and there are narrow LPR filters which only remove a small part of the...
I am trying to compose an RGB image of m51 taken with 3 RGB filters (Astrodon true color) and have few questions: (each of 3 images: R,G,& B is the result of...
I Uploaded single R,G and B files from last year. Take a look in the files under a folder called M51 files for alex. can you uload yours so I can take a look? ...
That can happen. What camera do you have? For an SBIG camera the filter wheel needs to be loose enough that when you spin the wheel with one finger, and with...
... Well, everyone knows that the sure way to balance RGBs is not using a G2V star, nor adjusting each channel to leave the median values as close as possible,...
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