About the Blog

This blog contains recent projects, activities, and musings about astrophotography and space, to view my main webpage with prints for sale, final images, and Annie's Astro Actions, please visit: www.eprisephoto.com


Thursday, March 3, 2011

First image in England and of 2011

Despite a lot of rain and clouds I have gotten a couple (literally, only 2 since we moved here in December) of clear nights to image. Using my new autoguider (Starlight XPress Lodestar) I am now able to get much longer exposures. I kept these at 10 min subs although I could have gone longer, but didn't want to push it too much my first time autoguiding. I still need a few more nights to get color data, but I am happy with how the Luminance has turned out so wanted to go ahead and post it.

This is 4 hrs of Luminance data, spread over two nights (total of 24 x 600s). Unfortunately I didn't orient the camera exactly the same for one hour the 2nd night (oops!!! At least I noticed then and was able to fix it for the rest of the session) so the edges don't have quite as much detail and depth, though the main portion is all 4 hrs.

Scope: Orion EON80ED piggybacked on Celestron CPC800
Cameras: Imaging - Atik 314L+, Guide - Starlight Xpress Lodestar
Filters: Astronomik Luminance
Location: Suffolk, England
Sub details: 24 x 600s, preprocessed with flats and darks
Software: Nebulosity (preprocessing and stacking), Photoshop CS2 (post-processing)

Full frame:

Crop of central area: 

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Monitor Calibration

Monitor Calibration
The grayscale above presents 24 shades of gray from pure white to solid black. If you cannot see all 24, your monitor needs calibration to view the astrophotos correctly: I recommend the site linked in the image