Category Archives: Astronomy

For all ground-based telescopes: Adaptive Optics: Technology in telescope mirror that can bend in ways that adjust and cancel out small distortion caused by atmospheric pressures. Liquid Mirror Telescopes: Spinning liquid mercury on a base so that it would have … Continue reading →

Amazing site showing to calculate positions of planets relative to each other at any given time. Image below is embedded from their site to show CURRENT position. Click on image to go to the site.

First there was Ethos (I've yet to seen an actual one), now there's TMB and Zhumell 100 series, knocking the wide FOV price down from 600USD to 250USD. So what's the catch? I know not. But boy, I would love … Continue reading →

It is know that SN 1006 (Lupus Constellation, southern hemisphere) is the bightest (-7.5 at peak) observed by naked eyes. Brigther than Venus (SN 1054 - formed Crab Nebula M1 also), seen for a few months during day time. Some … Continue reading →

To my delight, I found this forum where it teaches how to convert a CG-4 mount to an alt/az mount (after noting another post mentioning one could do this without the need of "any tools"). I gathered that this sort … Continue reading →

It appears that there's a very popular misconception on the web that Albireo A & B are a binary star system. And even more interesting that those who disagree, and call them a mere double star ignore any "binary" terminology … Continue reading →

I have yet to experience it, but according to AAA, it has very dark sky. The Custer Observatory appears to be very public friendly.

Although Mercury's greatest Western elongation is still 3 more days to go, I cannot risk the weather. So I should be at Bensonhurst today by 7pm with my binoculars.

I was told that the edge off of Bay Parkway in Bensonhurst has a wonderful view for Mercury. Will check it out when weather permits.

Suddenly a glow through my translucent window attracted my attention. It's just like a full moon. The Moon was about 34 degree from the Southern horizon. I would say it's around 1:30AM, the moon is edging to the West, so … Continue reading →