G'day Adam!
& good to have on board IIS
You have a wonderful scope there with you as a first scope. My first scope was a little 2" Tasco refractor, and I learnt a heck of a lot with it.
If you are having some trouble with finding stuff in the sky, it could be that your small finder scope is not properly aligned with the main scope, or that you are not using it correctly. Neither is difficult to overcome. And you don't need anything more for now than what you have already - a pair of eyes,
Tonight, set up your scope to find the Moon. It is the easiest target, and one you've managed to pin already. Once you've got it, use it to align your finder scope to the image you see in the scope. You might like to increase the magnification just so you can make the aiming area of the finder tighter which will help a lot. Say you could aim the finder at the center of the Moon (note that the current phase of the Moon is half the Moon, or first Quarter. Aim the red dot finder at the middle of the Moon right where the light and dark areas meet. The good thing about a red dot finder is you can use both eyes open - one eye is on the sky, and the other concentrates on the red dot to overlap the bare eye's image. When the two coincide both in the finder and scope, then your finder is correctly aligned.
Once you have your finder set, try tracking down a bright star. This will do two things: 1, verify that your alignment, & 2, gives you practice before trying to chase down stuff in the sky.
Before looking at getting atlases or smart phone apps to look for stuff, try to look for curious things with your own eyes first and use your scope on them. Things that look like little fuzzy patches of faint light in the sky are just the thing to chase down. These will surprise you through your scope,
Don't worry too much about things like collimation for now. It isn't essential when you start out. When you've found your feet with the new scope, then you can look at fine tuning it - the rewards in image quality then make sense and rewarding.
And YES, you can attach a webcam to your scope,
A web cam is best suited to bright objects like the Moon and planets as they are bright, and a tracking capability in the scope isn't essential. There is a great article here in IIS on how to modify a web cam to then use it on a dob:
http://www.iceinspace.com.au/63-431-0-0-1-0.html
I too did this modification to a webcam as my first camera. It works beautifully and will really give you a thrill. Great thing about this article is it shows you how to modify an existing webcam that is no longer being used quickly and cheaply.
Welcome, again, to IIS. I hope you get many, many fruitful hours with your ventures into astronomy.
Mental.
New to it all
