How to organise an observatory open day

An observatory open day works best when visitors know what to expect before they arrive. Start with the date, programme and registration process, then build the day around timed tours, talks and safe access to the observing areas. Give volunteers clear shifts and prepare visitor information early, especially for dietary requirements and weather-dependent activities. The final checks are practical: test presentations, power, lighting, signage, toilets and the indoor backup programme before opening.

Organize this event for free with Lizzt

The plan, step by step

Every task with its own sub-checklist, in the order you'll actually need them.

Preparations

1
Publish the date and program
2
Send invitations
2 people
3
Process registrations
4
Collect dietary requirements
5
Send visitor information
6
Schedule volunteers
2 people
7
Plan guided tours
2 people
8
Schedule the talks
2 people
9
Confirm reservations
10
Check the weather forecast
11
Prepare an indoor backup program
2 people
12
Do the shopping
2 people
13
Collect materials
2 people
14
Checking coffee and tea stations
15
Prepare star cards
2 people
16
Prepare name badges
17
Print the registration list
18
Prepare road signage
2 people
19
Open venue
2 people
20
Ventilate the rooms
2 people
21
Check toilets
2 people
22
Inspect the outdoor area
2 people
23
Set up tables
3 people
24
Set up chairs
3 people
25
Set up the reception desk
2 people
26
Set up coffee station
2 people
27
Set up buffet tables
2 people
28
Hang decorations
2 people
29
Put up directional signs
2 people
30
Set up exhibition panels
3 people
31
Set up the telescope outside
3 people
32
Set up the telescope indoors
2 people
33
Set up demo models
2 people
34
Test the projector and screen
2 people
35
Test the lighting
2 people
36
Chill drinks
2 people
37
Display snacks
2 people
38
Lay out program brochures
2 people
39
Brief volunteers
3 people

Event

40
Staff the reception desk
2 people
41
Register visitors
2 people
42
Hand out program brochures
43
Guide tours
3 people
44
Guide telescope demonstrations
3 people
45
Supervise children's activities
2 people
46
Provide lectures
2 people
47
Answer visitors' questions
2 people
48
Serve coffee and tea
2 people
49
Serve snacks
2 people
50
Refill drinks
2 people
51
Keep buffet clean
52
Empty trash bins
2 people
53
Check toilets periodically
54
Light the outdoor area
2 people
55
Hand out night-vision goggles
2 people
56
Guiding visitors to viewing spots
3 people
57
Register lost property
58
Inform last visitors
2 people

Aftercare

59
Secure telescope
3 people
60
Switch off equipment
2 people
61
Collect tableware
3 people
62
Clear buffet
2 people
63
Sort waste
2 people
64
Clear tables and chairs
3 people
65
Remove decorations
2 people
66
Clear the exhibition
3 people
67
Wash dishes
2 people
68
Clean rooms
3 people
69
Clean the restrooms
2 people
70
Clean the outdoor area
2 people
71
Inventory materials
2 people
72
Return materials
2 people
73
Remove empty packaging
74
Keep lost and found items
75
Archive registration details

What to bring

Grouped the way you'd shop for it, with quantities.

Furniture

Tablesqty 12
Chairsqty 100
Tableclothsqty 12
Stoolsqty 8
Clothes racksqty 2
Bollardsqty 12

Equipment

Telescopesqty 4
Binocularsqty 8
Night vision gogglesqty 6
Projector
Projection screen
Laptopsqty 2
Extension cordsqty 8
Power stripsqty 6
Power banksqty 4
Walkie-talkiesqty 6
Presentation clicker
Megaphones
Flashlights with red lightqty 12

Lighting

LED lampsqty 10
String lightsqty 6
AA batteriesqty 24
AAA batteriesqty 24

Decorations

Star postersqty 8
Space postersqty 6
Paper starsqty 40
Balloonsqty 50
Decorative ropeqty 2
Tapeqty 6
Thumbtacksqty 2
Wayfinding signsqty 12
Chalkboardsqty 4

Tableware

Reusable cupsqty 180
Coffee cupsqty 100
Platesqty 120
Cutlery setsqty 120
Teaspoonsqty 100
Serving plattersqty 12
Serving tongsqty 8
Thermos flasksqty 6

Kitchen

Coffee machinesqty 2
Kettlesqty 2
Coolersqty 4
Cutting boardsqty 3
Bread knivesqty 3
Serving spoonsqty 4
Measuring cupsqty 2
Ice packsqty 12
Cooler labelsqty 12
Storage cratesqty 12
Kitchen scalesqty 2

Catering

Groceries
Water dispensersqty 2
Drink cratesqty 6
Thermos cupsqty 30
Allergen cardsqty 20

Cleaning

Bucketsqty 4
Mopsqty 6
Broom setsqty 3
Dustpan and brushqty 4
Microfiber clothsqty 20
All-purpose cleanerqty 4
Glass cleanerqty 2
Toilet cleanerqty 3
Rubber glovesqty 8
Waste binsqty 8
Paper towelsqty 12

Promotion

Program leafletsqty 200
Star mapsqty 200
Name badgesqty 120
Pensqty 30
Colored pencilsqty 40
Coloring page areaqty 150
Quiz formsqty 150
Envelopesqty 200
Clipboardsqty 8
Stickersqty 300
Information flyersqty 250

Safety

First aid kit
Flashlightsqty 6
Safety vestsqty 8
Non-slip matsqty 6
Fire blanketsqty 2
Battery candlesqty 20

Storage

Document boxesqty 4
Label stickersqty 3
Markersqty 12
Roll containersqty 2

Tips

Publish the programme before sending invitations, including tour and talk times, registration details and any limits on places. Process registrations as they arrive and send visitor information several days before the event.
Schedule volunteers in fixed shifts rather than relying on people to stay all day. Assign separate cover for reception, guided tours, talks, equipment support and outdoor wayfinding.
Treat stargazing as weather-dependent from the start. Check the forecast on the day before and again on the morning itself, then have an indoor programme ready instead of deciding during the event.
Test every presentation setup before visitors arrive: laptops, projector, screen, clicker, extension cords and power strips. Charge power banks and radios, and check spare AA and AAA batteries for lights and equipment.
Set up the arrival route before opening: road signs, reception desk, registration list, name badges and clearly marked areas. In the observing area, use red-light flashlights and inspect paths, seating, toilets and outdoor surfaces while there is still daylight.

Frequently asked questions

How far in advance should I organise an observatory open day?: Set the date and publish the programme at least 6 to 8 weeks ahead. Send invitations as soon as registration opens, then send practical visitor information several days before the event.
How many volunteers do I need for an observatory open day?: Plan at least one volunteer for reception, one for each active tour or activity, and one person coordinating the programme. Add a separate person for outdoor wayfinding when visitors move between buildings or observing areas.
What should I do if the weather is bad on the observatory open day?: Make the decision using a forecast check the day before and a final check on the morning. Keep the indoor talks, demonstrations and exhibition programme ready so the event can continue without outdoor observing.
When should I test the telescopes and presentation equipment?: Run a full equipment check at least one day before the event, including telescopes, binoculars, night-vision equipment, projector and power connections. Repeat a quick operational check before doors open.

Start this plan in Lizzt

Every task and item on this page, ready in your own event. Invite people, split the work, and see who has done what.