- Pleiades (Seven Sisters)
(image above is
reduced-size | other sizes: medium
400 light years
||Takahashi FS-60C @ f/6.2
||Takahashi EM200 Temma II
||QSI 540wsg @ -15C
|| Astrodon Tru-Balance I-Series LRGB Gen
||14x10min L; 6x5min ea RGB (all bin1x1); AstroArt5, CS4 (cropped, 10xdarks/flats/fdarks/bias)
|6 December 2013 - Las Cruces, NM
Just used Tak flattener as reducer adapter I had
machined did not work out (backfocal distance was still a tad too long).
Believe not optimal backfocal distance here, either (coma at corners was
huge), so I still have some testing to do.
Copyright Jeffrey O. Johnson