OK, it's months late, but I had one of the first Coulter 13.1" ers, big, blue and boxy. I built a shed for it in my back yard and drove it to Blue Canyon for observing. It was $400, a terrific...
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OK, it's months late, but I had one of the first Coulter 13.1" ers, big, blue and boxy. I built a shed for it in my back yard and drove it to Blue Canyon for observing. It was $400, a terrific...
My favorite eyepiece is my 9mm ES 120°, with a true apparent field near 140°. At 250X in my 22" f/4, it's in my focuser more than all my other eyepieces together. Next is my 8mm Delos; hardly use my...
Also Jones 1 - as I recall looked something like a boomerang.
I, too, have seen the very distinct yellow "egg" surrounding Eta Carinae, with a 13.1" f/5 I took to New Zealand in 2000 using a 20mm Nagler Type 1. But let's not forget the pink, green and blue of...
Hi Reiner,
Thank you for a detailed and enlightening description of the physical, chemical and biological vision process. I'm a bit surprised that you did not address the visual processing that...
I spent a few months considering this purchase, but I finally went for it: the new Explore Scientific 9mm 120°, weighing in at almost 3 pounds. Advertised at $999, it cost me "only" $949 from...
It's a fact that Alvin's eyesight is better than mine...but if I could see it, you know that almost everyone could.
Clears,
Shneor