Tonight it was clear. Or at least it was “clear.” There was a high, thin, persistent haze that never went away all night. Damned Weather Channel, screwed me again! At least I got a chance to test out the Ultrascopic Barlow on the Mak. And it worked perfectly. As I noted in yesterday’s post, I […]Read more "December 26, 2014 – Upgrading the Mak, part 4A – mounting the ST-80, Barlow"
I received my GSO dielectric diagonal from Agena on Friday the 19th. The weather reports were for clear skies, and I was eager to go out and have my compare/contrast contest between the old diagonal, which supposedly is only 90-91% reflective, and the new, which is supposed to be 99%. However, the weather reports were spectacularly […]Read more "December 25, 2014 – Upgrading the Mak, Part 4 – Diagonals, ST-80"
As promised, I can finally give you the lowdown on how good the TeleVue Plossl is. It ain’t worth it. I observed Jupiter tonight, for almost a solid hour, with a couple of breaks for the Geminid meteor shower. (I only saw one, out of the corner of my eye.) I switched back and forth […]Read more "December 14, 2014 – Upgrading the Mak, Part 3A – 8mm TeleVue Plossl vs. 9.7mm Meade 4000 SuperPlossl, Bahtinov mask, Lord mask, diagonals"