27 Jun
2010
27 Jun
'10
12:06 p.m.
The PST is very sensitive to magnification as well as eyepiece quality. Prominences can disappear entirely if the magnification is pushed too high, or a low-contrast eyepiece is used. This is independant of etalon tuning. Go a little lower in power than you normally would if the prominences seem a bit "iffy", and don't be hesitant to try different eyepieces. On 6/26/10, Canopus56 <canopus56@yahoo.com> wrote:
It seemed to reduce the small PST's ability to focus in prominence's on the solar limb.