Cúpula da Luneta Equatorial 21, Brazil: what it is and when to go

What it is and where

Cúpula da Luneta Equatorial 21 is an observatory in Brazil (Rio de Janeiro).

Concluído em 1916, seu propósito era abrigar a luneta de 33cm, encomendada por D. Pedro II. O instrumento nunca foi montado e, em seu lugar, foi instalada a Luneta Equatorial 21. Objetiva: 21cm | Fabricante: Gustav Heyde, Alemanha (início do séc. XX).

It is in Rio de Janeiro, where this site lists 62 more places to see, 3.0 km from the centre.

Its coordinates are -22.89621, -43.2239; the nearest main airport is Rio de Janeiro Galeão – Tom Jobim International Airport (GIG, Rio De Janeiro), 10.0 km as the crow flies. How to get around Brazil (train, car, bus) is covered in its country guide.

Where it is (opens in a new tab)Directions (opens in a new tab)

Run by

MAST

It is one of the Stargazing places in Brazil. In Kokai it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

When to go

Months when you can visit Cúpula da Luneta Equatorial 21: all year round.

In December there are 13 h 24 of daylight, and in June, 10 h 36. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

When to go to Brazil in general, with its festivals and peak seasons, is in its country guide.

Before you go to Brazil

To enter Brazil there are 9 things to sort out before you leave, starting with “Passport valid for six months”: they are all, with their deadlines, in the Brazil checklist. Currency: Brazilian real (BRL); plugs: Type N and C · 127 V and 220 V depending on the region · 60 Hz (you need an adapter and should check the voltage); emergencies: 190 police · 192 ambulance · 193 fire brigade.

In Kokai you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

What is nearby

• AstrolábioObservatory18 m
• Cúpula da Luneta Equatorial 32Observatory24 m
• Cúpula da Luneta Foto-equatorialObservatory42 m
• Cúpula da Luneta Equatorial 46Observatory45 m
• Pavilhão Círculo Meridiano de GautierObservatory46 m

Distances are as the crow flies. Everything else is in the Brazil guide.

More in Brazil: Stargazing

• Malakoff Tower: tower in Recife, Brazil
• Pierre Kaufmann Radio Observatory: Observatory
• Observatório Municipal de Campinas Jean Nicolini: astronomical observatory
• Brasília Planetarium: museum in Brasília, Distrito Federal
• Carmo Planetarium: Planetarium in Brazil
• Professor Aristóteles Orsini Planetarium: planetarium in Brazil

Every Brazil place under Stargazing, each with its season, is on its page.

Frequently asked questions

Keep reading

• Rio de Janeiro62 places to see in and around Rio de Janeiro, Brazil: Rio de Janeiro, Sugarloaf Mountain, Corcovado. Best time: December to February and June to September.
• Stargazing50 places for stargazing in Brazil, from Malakoff Tower to spots hardly anyone knows. Each with its own season by altitude and daylight.
• BrazilBefore travelling to Brazil: 9 things worth sorting out, each with its deadline. No visa is needed for tourism: up to 90 days in every 180-day period, with a passport va…
• Where to travelPick what you fancy (mountains, beaches, museums…) and the months you have free, and Kokai tells you which countries to go to and what to see there.