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narrowband M42, pfile

narrowband M42

Equipment

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Acquisition details

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Description

M42

canon 50d (modded), astronomik 6nm Ha, astronomik 15nm oiii.

at6rc+TRF-2008 focal reducer

ha = 49x240s = 196m = 3h16m

oiii = 69x240s = 276m = 4h36m

(oiii is really only 46 frames, but i integrated G+B, so it's like 1.5x the exposure from an SNR perspective)

total = 7h52m

r = ha

g = oiii

b = 0.7*oiii + 0.3*ha

captured with backyardeos

all processing in pixinsight 1.7.4

the weather's about to go to the dogs so i guess this is it for a while. the framing is goofy but i had intended to do a mosaic...

Comments

Histogram

narrowband M42, pfile

In these public groups

Cloudy Nights