I do not object to that, but remember there are only a couple (1 or 2) of people who will have a use for it. IE: those with large long focal length refractors. It takes greater than f/30 for proper function. It will be good to have available at SPOC and should be stored there, perhaps it should come out of SPOC fund. That will be where it is used the most. The filter still has an issue of not reaching operating temp when outside temperature is below 80 degrees. We have wanted to limit the scopes it is mounted on. It was damaged from improper use (a hole burned in an element). DayStar said it was typical damage done by an unfiltered C8 and can occur in seconds. The scope it is on now is described by DayStar as ideal, the lens was purchased from DayStar. This should remain the way it is borrowed by club members. Erik I second Siegfried's suggestion!
Ken ----- Original Message ----- From: "Patrick Wiggins" <paw@wirelessbeehive.com> To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Sent: Monday, July 28, 2008 5:54 PM Subject: Re: [Utah-astronomy] Solar viewing a SPOC yesterday
The filter has a retail value around $1,000 - $1,200. It is being offered to us by John at $400. I recommend buying it and having it available to SLAS members. Perhaps a dedicated solar eyepiece should also be purchased, something like a 40mm Pentax with lots of eye- relief and a 70 deg wide AFOV. That combination would give about 85x and a .82 deg FOV. The entire disk of the Sun would easily fit into the FOV.
I think it would be great to have this in place by Stansbury Days.
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