November 2, 2017
M76 (Fall 2017)
I gathered data for this image over four nights in September and October. M76 is found in our constellation Perseus. Looking back, I should have taken much longer OIII subs. I started out with 8-minute subs for narrowband, but the extended lobes of the nebula remain mostly invisible without longer exposures. For the last Ha, I switched to 20-minute subs.
This is 31x480 in OIII, 9x480 in Ha, and 14x1200 in Ha. Camera was the SXVF-H9. Telescope was the CFF 290 Classical Cassegrain at eff. f/8.1.
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2 comments:
Gorgeous! You have, again, created a new favorite!
Man thanks, Rory!
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