- May 1, 2007Despite a very bright moon I managed to "split" Porrima last night with
my 100mm f/8 TMB refractor. You're quite right, Don S., it was
difficult to see the primary star last night because of the bright
nearly full moon. Instead I let the Vixen SkySensor 2000 find it.
At 88x, no way! At 160x, no way! At 320x, still no way. The ONLY way I
was able to see even an elongation, figure-8 pattern was using a 4mm
TMB eyepiece and a 2.5X Barlow. That brought the power up to 508x,
pretty whopping for a 4" telescope! I hope to try it again, this time
using my 10" stopped down, as Don suggested.
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