PS102 TV Turnoff Week Stargazing

We’ll be "hosting" a stargazing evening again at Shore Road Park on the ballfields near the 78th Street park entrance. See the map below for the viewing location.

Sunset is not until nearly 7:15 pm, and it won’t be truly dark (well, as dark as it gets in NYC) until after 8:30 pm, but we’ll start shortly after 8:00 pm with views of the first quarter moon and, as it gets a bit darker, views of Saturn and it’s rings. As Saturn advances in its orbit, the rings are moving closer toward an edge-on view which will occur next year.



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The rain date is Friday April 12. As of Tuesday, April 8, it looks like we may be using the rain date….

Focus Test, 50mm lens on Vega

Focus Testing

Robert Reeves suggests testing the focus of your lenses as the infinity mark cannot always be trusted. This isn’t necessarily because the manufacturer was sloppy; certain long focal-length lenses may significantly affected by temperature and at some temperatures they will focus beyond infinity (Buzz Lightyear, take note). I decided to do a quick test of …

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QuickCam VC

I purchased a QuickCam VC from Computer Geeks when they had a batch on sale for about USD $15. I keep going back hoping to find another batch, but so far no luck. Up until this, I had been using a Sony DCR-TRV310, a digital videocamera. The QuickCam VC is similar to the other QuickCams …

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