Welcome to Doncaster Astronomical Society

IMPORTANT NOTICE: DUE TO THE CURRENT CORONAVIRUS PANDEMIC AND IN THE LIGHT OF GOVERNMENT ADVICE, DONCASTER ASTRONOMICAL SOCIETY HAS TAKEN THE DECISION TO CANCEL ALL TUESDAY SOCIAL MEETINGS AND SOCIAL GATHERINGS AT THE OBSERVATORY FOR THE FORSEEABLE FUTURE. WE WILL BE WE WILL REVIEW THE ONGOING SITUATION AS REQUIRED IN ACCORDANCE WITH GOVERNMENT ADVICE. FROM WEDNESDAY 12th AUGUST WE WILL BE HOLDING ON-LINE MEETINGS VIA THE INTERNET-SEE MEETINGS PAGE FOR DETAILS.

Next Zoom Meeting: Wednesday 14th October at 8pm. Sam Cornwall, “Solar Can”. For info contact the Secretary

Members of DAS cleaning the observatory domes. Photo: Paul Booker.

Providing astronomy for the casual observer, serious enthusiast and a means of accessing the night sky using the best facilities in Yorkshire. Local schools are especially welcome to use our facilities and experience.

We are available for group visits to the Observatory and can also take astronomy to your groups with telescopes and illustrated talks. Contact our Secretary for more details.

View the night sky in mixed and pleasant company in a secure environment. Go to the Observatory item above for directions to the site in Austerfield.

But before you set out, take a look at the Monthly Night Sky to see what’s about, and the Local Weather too.

We’re open on clear Friday nights for members, and welcome the public too during Summer and Winter months, at no cost. 

We ask that members of the public pre-arrange their visit with our Observatory Manager before attending.

Being a Society member, brings many other benefits, including observing on clear nights at our Observatory, use of the best of amateur solar equipment and being able to borrow telescopes.

For non-members, if you would like to visit us to see what we’re all about, your first two meetings are free of charge. Membership is open to to all ages. If you are 17 years of age or below, an adult must accompany you.

If you would like to join the society, then please email the  Secretary for details or just come along to the next society meeting and meet our members.

Light refreshments are available.

Facebook Posts

This evening we have the lovely Chris Grimmer from Norwich Astronomical society, joining us to share his knowledge on the Cassini mission.

Log in from 7.50 for an 8pm start

If you are interested in joining these virtual talks, please get in touch.

#DAS #astronomy #Cassini
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IC1805 Heart Nebula - captured by DAS members Jonny Wood and Rachael Wood

What's that inside the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. It's shape perhaps fitting of the Valentine's Day, this heart glows brightly in red light emitted by its most prominent element: hydrogen. The red glow and the larger shape are all created by a small group of stars near the nebula's center. In the heart of the Heart Nebula are young stars from the open star cluster Melotte 15 that are eroding away several picturesque dust pillars with their energetic light and winds. The open cluster of stars contains a few bright stars nearly 50 times the mass of our Sun, many dim stars only a fraction of the mass of our Sun, and an absent microquasar that was expelled millions of years ago. The Heart Nebula is located about 7,500 light years away toward the constellation of the mythological Queen of Aethiopia (Cassiopeia).
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This evening we welcome Dave Eagle who will be joining us virtually to speak about

Apollo 13 : "Houston We've Had a Problem Here"

Wed 26th, 8pm

If you are interested in joining these virtual Zoom sessions at no cost, please send us a direct message with your name & email.
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The Wizard Nebula 🧙‍♂️

DAS members Rachael and Jonny took this image of NGC 7380 over 2 sessions. 1 hour of imaging in July and 3 hours in August.

#astronomy #astrophotography

Skywatcher Evostar ED80
HEQ5 pro
ZWO ASI120 guide
ZWO 294mc pro
L-eNhance
Gain 120
5 min exposures
Total Exp 4hrs
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We are very excited to launch our first Zoom talk with Julian Onions this evening speaking about Galaxies, One Gigayear at a Time.

Our talks will take place every 2nd and 4th Wednesday of the month at 8pm.

If you are interested in joining us, please email our secretary who will share the log in details with you.

Secretary@donastro.org.uk
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