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N1
12-10-2020, 11:46 AM
Q: How do you find Mars when it's near opposition?
A: Find the gegenschein, and Mars will be in it

Q: How do you know Mars is not quite at opposition yet?
A: It's not centred on the gegenschein yet

:D

Also note M's 31 and 45 rising almost simultaneously, left and right of Mars.

multiweb
12-10-2020, 12:41 PM
I saw the Gegenschein only once up ahead on a moonless night from Coonabarabran and the milky way was wrapped below 5 degrees all around the horizon. Can you still see it it with Mars bright in the middle of it? I recall it is extremely faint even with no light at all.

rustigsmed
12-10-2020, 02:35 PM
that really is an awesome photo Mirko. well captured