Coppermine Photo Gallery

Your online photo album

Click to view full size image

NGC 2403

This is all the data that I took to find the limiting magnitude of various exposure lengths

Imaged at: Escondido and Blair Valley

Equipment:
Optics - 8" F5
Mount - Takahashi NJP
Camera - SBIG STL-11000

Exposure Information: approx. 25x10min, 7x5 min for L, 7x5 min each RGB

Image Processing Software:
I used Registar to register the color data to the luminance, then used Photoshop to do some Curves/Levels adjustments.

process-final.jpg limiting_magnitude.jpg magnitude info.JPG summary_brightness.jpg
Rate this file (current rating : 2.9 / 5 with 5 votes)
Debug Info 
: