The two big ones I remember are: A Boller & Chivens 24" about 1 degree A 60" about 15 arc-minutes The MMT is about 1 degree, I think.
-John ============= > > [email protected] said: >> Why do you really NEED super accurate siderial time? If you are using >> it to point a telescope, you only need it accurate enough to get the >> guide stars into the field. Remember, the atmosphere refracts kinda >> randomly. > > What's the field of view of a telescope? (or the guide scope?) > > What's the ballpark distortion of the atmosphere? > > > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
