SingAstro

Project ended.... 23 sept 2020.

Also, as for the scope, the main benefits are 1)created a modular system, hence highly portable. 2)created the lightweight 80mm f4 and the 100mm f4 that is superlight weight. Also by being able to shorten the tube at will and also able to adjust the internal diameter of the tube., I create monocular...

The eyepiece from bino project completed. What I learned is 1)bino ep are not too suitable for use in telescopes as there is always a out of focus edge. Hence only a few ep turn up useful., all around the 25mm to 30mm. 2)ep obtainable from bino ranges from 8mm....approx to 30mm approx. 3)tube enclos...

Today evening 5pm. With a double stacked solar colorado filter:- Western side of sun, just rotated into view is a region of brightness above the normal sun, clearly indicating an active region., but note no sunspot appear. Eastern part dominated by a small prominence. Still spotless sun.

Hi
Messaging you at singastro. Pls read. Thanks.just talk to you over the phone. Not messaging. Thanks.

Hi
Messaging you at singastro. Pls read. Thanks.

Hi sorry, I meant the 50mm lens. Thanks.

Hi Mr Chee
Can reserve the 20mm lens at $20 for me? Will ph you later for metup. Thanks.

Hi
I will take ALL.
Will ph you later in the night for
nearest date transaction. Thanks.

Today relook..... No activities.
Still looking for activities to test the cak filter that had PARTIALLY DREAD RUSTED.