November 1, 2016

NGC 604 in M33, Reprise (October 2016)

Here is NGC 604 again with more data, now with 40x600" instead of just 12x600".  Everything else is the same about the setup: it is the CFF 290 Classical Cassegrain operating at f/7.93 (A-P CCDT67 Telecompressor).  The camera is the SXVF-H9 through an Astronomik CLS filter.  The larger data set gives a better signal-to-noise ratio, and the dimmer parts of the image are brighter, with more definition.  The image reveals the mottled, star-spotted arms of a galaxy.