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Mercury Transit


 

Want to share my experience this morning. I had setup my iOptron Cube driving my upgraded Short Tube 80 mm f/5 achromat with a Thousand Oaks solar filter. It worked great visually using a TeleVue 8-24mm zoom EP.? We were able to view the transit perfectly.?

Since I had done it at the local elementary school I did not want to risk by having kids view the sun through the scope for safety reasons.? So after a while, I fitted my old Meade DSI imager in place of the EP and tried to focus it. There I ran into real difficulty. It was the glare from sunlight that made it hard to view the laptop screen and also the poor refresh rate of Meade DSI. I did achieve some level of focus finally and kids were all happy. Here below is a screen grab. Hope you can make out the tiny dot of Mercury on the solar disc. I could have
Inline image
tried to get sharper focus but I was scared that I may lose the tiny spot that was just visible, though barely.?

CS
Prasad