I wanted to get a nice pic of NGC253 - the Sculptor galaxy and surprise folk by the fact it was in Sculptor, a constellation that is barely visible from UK. But to my astonishment, one of our club's members had just got a beautiful shot of it taken via the web on a Ritchey-Chrétien 10" in Australia. Nevertheless, I got a shot of it the following night on the 20". It's had a lot of light pollution subtracted off and I can't say my flat field was good enough to correct for the vignetting effect at the edges.
Sunday, 12 October 2008
How far south can you comfortably go?
I wanted to get a nice pic of NGC253 - the Sculptor galaxy and surprise folk by the fact it was in Sculptor, a constellation that is barely visible from UK. But to my astonishment, one of our club's members had just got a beautiful shot of it taken via the web on a Ritchey-Chrétien 10" in Australia. Nevertheless, I got a shot of it the following night on the 20". It's had a lot of light pollution subtracted off and I can't say my flat field was good enough to correct for the vignetting effect at the edges.
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