Connemara is located in County Galway, Ireland. The best places for stargazing in Connemara are- Clifden, Renvyle, Roundstone, Carna and Inverin. Image Source
How to reach:
By Air: The closest International Airports to Galway are- Shannon International Airport (1 hr drive to Galway), Ireland West International Airport at Knock (1 hr drive) and Dublin Airport (2 hrs 30 min drive to Galway from the airport).
From any of the airports, you can take a bus, taxi, rental car to go to any of the star gazing destinations.
By Train: Galway Train Station, also called Ceannt Station, is at the centre of Galway, just off Eyre Square.
The Irish Rail provides regular train services to the major towns of Dublin. From the train station, take a rental car, bus or taxi to go to any stargazing destination in Connemara.
By Road: Dublin and Galway are well connected by road. You can travel by car to Galway from Holyhead, Pembroke, Fishguard, Liverpool or Stranraer.
Many bus services provide their bus facilities to and fro from Dublin to Galway and many other major towns.
By Ferry: Many car-ferry routes are available which link Ireland to Britain and Europe. The main ports of entry of these ferries are in Dublin, Cork and Rosslare. From these ports, you can drive or go by bus or taxi to Connemara, which will take about 3 to 4 hrs.
Best time to visit: April to October.
Essential Gear: If you will carry these essential things with you, your trip for stargazing will be a lot more successful, which are-
-Red LED flashlight or a normal flashlight, with its lens covered with a red cellophane paper or a red wrapping paper or a red kraft paper.
-Binoculars (your own or rented).