OLA’s Messier Marathon

OLA's Messier Marathon


14/04/2018 - 15/04/2018    
17:00 - 6:00


Observatório do Lago Alqueva
CM 1127, Monsaraz

Event Type

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OLA’s Messier Marathon

1st edition


April 14th

1 night – 110 deep-sky objects


On this night, OLA organizes its first Messier marathon.

This is an ambitious challenge. To observe 110 objects from Messier catalogue in a single night.

In order to do so, we will have several telescopes available to those who want to join us in this challenge. The objects are going to be explained during the observations.

We also invite amateur astronomers to join us, who can bring their own equipment and use our observing platforms. Those are going to have free entrance.

It is possible to camp with a tent in the field of the observatory.

In case of any question, feel free to contact-us.


April 14th, Saturday,

19h00 – Science Café – 2019: 50 years since the moon landing and 100 years of Eddington in Prince.

20h30 – Marathon starts

April 15th, Sunday

06h00 – Marathon ends



Registrations up until April 12th.

In order to register, please send us an email to: geral @ olagoalqueva.pt, with subject “Messier Marathon”.

In case you are amateur astronomer and intend to use our observing platforms, please mention that intention on the registration email.

Registration fees:

12€ – Registration for Messier Marathon without own telescope.

0€ – Registration for Messier Marathon with observing platforms usage for own telescope.