Flintstone Stargazing

November 8, 2009

C20-North American Nebula (NGC7000) on 11-7-09

Filed under: astronomy, Astrophotography, Caldwell Object, NGC, Observation Journal — Tags: , , — Ed @ 12:10 am

This was my first attempt at the North American Nebula, also known as C20 or NGC7000. If you look at the image sideways, it sort of looks like the gulf of mexico – actually other images by other people show the shape more completely (plus this is just a part of it – it’s a big nebula!). This was also the first time I tried using a red filtered image added to the full color images. I stacked a bit more than an hour’s worth of RGB from my D50 and then did 36 minutes having added a Red filter on top of the Orion Skyglow Imaging Filter I use. (I recently got a bunch of 48mm filters off of eBay cheaply, this was one of them) After stacking the red images, I added it as a screen over the regular image and it really made the image pop – it’s a bit like a cheapo Hydrogen Alpha filter, combining the two filters. Anyway, I’m pretty happy with how it turned out – the only problem being that the red images didn’t align very well with the RGB image (thus the sort of letterbox formatting).


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