Se pueden ver galaxias, nebulosas etc?

You can see galaxies and nebulae with the 102, although there won't be a lot of detail. Maksutov-Cassegrains of this aperture are suited better to planetary and lunar viewing. For what you're asking about, larger apertures (150mm, for example) would be better.

I'm extremely new to everything astronomy, but if i were to get this telescope, what additional items would i need for astrophotography?

If astrophotography is your main goal a Maksutov telescope such as this would not be the best choice unless your interest is moon. Please contact our support department at 310-803-5966. They will be able to assist you with finding the best arrangement.

ASIN	B00Z4HX18M
Best Sellers Rank	#637 in Camera & Photo Products ( See Top 100 in Camera & Photo Products ) #17 in Telescope Reflectors
Customer Reviews	4.5 4.5 out of 5 stars (207)
Date First Available	May 21, 2015
Item Weight	16 pounds
Item model number	S11530
Manufacturer	Sky-Watcher
Product Dimensions	25 x 10 x 10 inches

Skywatcher Skymax 150mm Maksutov-Cassegrain - Large Aperture Compound-Style Reflector Telescope

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