The best telescopes for deep-sky imaging are small models called apochromatic refractors. They can be cheap and, being smaller, are easier to store and travel with. This section adheres to that standard, making it a handy reference if you’re traveling or interested in what the other half of the https://empresas-de-stands-en-mad87531.csublogs.com/43079244/todo-acerca-de-cómo-contratar-montadores-de-stands-para-ifema-madrid