Jupiter and saturn something to wait for [Archive]

multiweb

22-11-2020, 06:26 PM

Yeah got my eyes on that one. It doesn't happen very often. It is going to be low though. I hope it is clear. It might warrant a trip to a location where it will be. Like the transit of Venus.

bigjoe

22-11-2020, 11:21 PM

Hi Marc it certainly will be great in a scope even high power, though it will be low in the West in Sydney under 15 degrees from the Western Horizon and set just after 10pm

Easy Formula to use for others as you would already be well aware of this one Marc.

True field of view = ( eyepiece field stop diameter × 57.3) / telescope focal length.

Eg my 115mm F7 triplet is with a 4mm Delite with a F.S.= 4.3mm is
(4.3 x57.3)/805= 0.30 degrees
3x whats required
At 200x!
So a treat as many details could be visible depending on position, seeing and transparency which rules.
PIC BELOW shows a poss appearence from Skysafari on the due date .

Bigjoe.