Logo for sailing catamaran and Blog/YouTube

This is what Astrum was looking for in their logo design

Need to design a logo for Sailing boat to apply to catamaran itself, sails and YouTube channel about sailing

- Name of the boat: "Astrum" (meaning star in Latin)
- Name of the boat needs to be readable from distance
- Along with name, would like to incorporate following elements:
> Ursa Minor constellation (https://en.wikipedia.org/wiki/Ursa_Minor)
> White tiger cub with blue eyes looking on Polaris start in Ursa Minor constellation

Logo (or variation of logos) needs to look good on:
- White color surface
- Grey/Graphite color surface

I have rough idea sketch, but before u upload this, would like to see what professional designers could recommend. Read more