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My Obs on the South Coast of NSW is located 150m from the beach. I’ve been observing and imaging there since 2016
The ocean, a large body of water can be your friend and foe
When the northeasters blow in summer and back off at night , seeing is generally poor to average due to salt mist in the air and humidity etc..
In Winter when light south westerlies blow at night , seeing is generally good as air is dryer and humidity is generally lower
In the Spring we do sometimes get sea fog or sea mist rolling in late evening/ early morning which affects seeing
Imaging and Observing over a large body of water like the South Pacific in theory is a good scenario for astronomers but not always the case in reality
At the end of the day , the ever changing cycle of weather ( Mother Nature) , particularly along our eastern seaboard of NSW is a moving target so it’s rare to get say 3 or 5 nights straight of good to excellent seeing and transparency.
When there’s no cloud around most of us take what ever is dished up and make the most of it
Cheers
Martin
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