OBJECT |
M45
- Pleiades (Seven Sisters)
(image above is
reduced-size | other sizes: medium
, original)
Distance:
400 light years
|
Telescope |
Takahashi FS-60C @ f/6.2 |
Mount |
Takahashi EM200 Temma II |
Camera |
QSI 540wsg @ -15C |
Filters |
Astrodon Tru-Balance I-Series LRGB Gen
2 |
Guider |
SX Lodestar |
Settings |
14x10min L; 6x5min ea RGB (all bin1x1); AstroArt5, CS4 (cropped, 10xdarks/flats/fdarks/bias) |
Date/Location
Notes |
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
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