Orwell Park Mansion and Observatory
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Welcome

OASI is a society for people interested in astronomy. We are based at Orwell Park Observatory and Newbourne Village Hall, both situated near Ipswich, Suffolk. Members enjoy a wide range of interests in astronomy and include armchair astronomers, casual observers, and dedicated amateurs with specialist skills in visual and photographic observing, constructing telescopes, public education in astronomy and the history of astronomy.

Email for more information: info@oasi.org.uk

Newsletter

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Back editions.

 

Night Sky Notes

Current edition.

Back editions.

Observatory Visits

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Visit Orwell Park Observatory and see the historic Tomline Refractor.

Membership

Join OASI or renew membership.

Information for members:

Events

Sat 19 Jul 2025, 13.00-20:00 (possibly later), Newbourne Village Hall, Summer picnic, open to all members of OASI and their guests.
In case of inclement weather, the picnic will be held inside the village hall.
Weather permitting, there will be solar observing.
Poster with more info.

Mon 21 Jul 2025, 20:00, Zoom, Pre-recorded talk: Citizen Science and Radio Jove: the Science and Instrumentation for a Radio Exploration of Jupiter by Chuck Higgins. (Zoom login details are provided in an email to members.)

Wed 23 Jul 2025, 20:00, Orwell Park Observatory, General observing for members of OASI.

Fri 25 Jul 2025, Time TBC, Latitude Festival, OASI at the Latitude Festival, offering solar observing and stargazing sessions.

Full events list, with contact details for further information.

 

Recent activities and observations

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[1/10]   A sketch and photograph of the Sun. 11 July 2025. Neil Morley. More.
[2/10]   The Milky Way. The stars of the Summer Triangle are indicated. 11 July 2025. Steve McElvanney. More.
[3/10]   Nebula IC1396A in Cepheus. 02 July 2025. Steve McElvanney. More.
[4/10]   A cloud of propellant vented by SpaceX launch vehicle Transport-14 after placing its 70 payload satellites into orbit. The cloud is visible thanks to forward-scattered sunlight. 24 June 2025. Nigel Evans. More.
[5/10]   Solar observing at OASI's Newbourne meeting, 23 June 2025. Photo by Neil Morley. More.
[6/10]   OASI's solar observing activity at East Suffolk Wireless Revival (ESWR) on 15 June 2025 received considerable interest. The weather was conducive to observing and approximately 20 people got to view the photosphere (a white-light view of sunspots) and the chromosphere (an Hα view revealing active regions, prominences and filaments). More.
[7/10]   A visit to the Whipple Museum, Cambridge, finds many fascinating astronomical items. Neil J. Short, 11 June 2025. More.
[8/10]   Three star clusters imaged with Seestar S50 "smart" telescopes. L-R: NGC457 by Andy Gibbs, 04 April; M35 by Neil Morley, 19 April; M3 by Paul Whiting, FRAS, 19 April 2025. More.
[9/10]   Three galaxies imaged with Seestar S50 "smart" telescopes. L-R: M81 by Neil Morley, 06 April; M100 by Paul Whiting, FRAS, 03 March M100; NGC2403 composite of 1539 ten-second frames captured early April 2025 and contributed by Andy Gibbs, Neil Morley, Steve McElvanney and Paul Whiting, FRAS. More.
[10/10]   Chairman Andy Gibbs introduces the speaker, Mike Culley, FRAS, at the start of the initial lecture of OASI's 2025 lecture series on 21 March 2025.