Hi Dave, yes M1 is an example of an object in Taurus that you will need the northern hemisphere edition for.
The bias towards the northern hemisphere is inherent in the very notion of a northern hemisphere. Of course, north and south are entirely relative concepts. As declination is universally referred to on the basis that as one travels towards Polaris it is north, the maps are orientated that way. Depending on how your scope flips the image, it may be correct for what you see in your scope (albeit back to front).
You'll need very dark skies to see the Horsehead in your 12" scope. Good luck. Remember to try with low power. I made the mistake for a long time of thinking I had to use high power, but not so. Around 100x, or a bit below, is all you need.
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