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colinsk
Pooh-Bah
   
Reged: 01/17/08
Posts: 1224
Loc: CA
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Re: Spectroscope calibration
07/03/08 10:21 PM
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Thank you Dave and Mike.
Am I correct in thinking that the drawing above is slightly in error and the pivot point needs to be the front surface of the grating at the center?
Then I can take, say, the two yellow lines from mercury and calibrate the spread per turn?
-------------------- Mahalo,
Colin Kaminski
Coulter 10.1" Dobsonian
PST
TV-76/Baader White Light Filter/LS50F/BF1200
LS60T/DS50/FT/BF1200
DSM
LXD-75
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