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.
Events
Mon 06 Oct 2025, 20:00, Orwell Park Observatory, Taster evening. Places must be booked in advance by email: tour@oasi.org.uk.
Wed 08 Oct 2025, 20:00, Orwell Park Observatory, General observing for members of OASI.
Mon 13 Oct 2025, 19:30, Newbourne Village Hall, Newbourne meeting - beginners and new members welcome!
Observing target for the month: Cygnus.
19:30: doors open.
19:45: Astro-news by Paul Whiting, FRAS. NB: if the sky is clear, priority will be given to observing, and Astro-News will be postponed.
Wed 15 Oct 2025, 20:00, Orwell Park Observatory, General observing for members of OASI.
Full events list, with contact details for further information.
[1/10] Comet C/2025A6 (Lemmon). LHS: an image centred on the comet reveals its motion via trailing of the background stars. RHS: changes in the structure of the tail of the body are evident over a period of several minutes. 25 & 30 September 2025. Nigel Evans.
More.
[2/10] OASI observers along with many members of the public gathered on Cliff Road, Felixstowe, hoping to observe the Moon, in total eclipse, rising above the eastern horizon, on 07 september 2025. Unfortunately, cloud prevented visibility of total phase of the eclipse, but breaks in the cloud enabled observation of the subsequent partial phase.
More.
[3/10] Spiral galaxy NGC891, seen edge-on in the constellation Andromeda. 25 August 2025. Paul Whiting, FRAS.
More.
[4/10] A meteor camera reveals Chinese Satnet satellites a few hours after launch on 25 August 2025. Nigel Evans.
More
[5/10] The Sun in H
α light. 10 August 2025. Steve McElvanney.
More.
[6/10] OASI attended the Latitude Festival on 25-26 July to run sessions on solar observing and night-time observing. On 25 July, there were breaks in the cloud enabling some lucky festival-goers to use the telescopes to advantage. By 11.00pm, the sky was clouded out apart from quick glimpses of the brighter stars. Photos, L->R, T->B: observing the night sky while Sting's pyrotechnics illuminate the background, setting up the OASI stand, some lucky individuals observing the Sun through solar telescopes, Professors Lintot and Fong holding forth.
More.
[7/10] OASI's summer picnic, on 19 July at Newbourne Village Hall, was blessed by good weather enabling solar observing punctuated by bouts of gorging on Scooby-snacks! (Photos by Neil Morley.)
[8/10] A sketch and photograph of the Sun. 11 July 2025. Neil Morley.
More.
[9/10] Nebula IC1396A in Cepheus. 02 July 2025. Steve McElvanney.
More.
[10/10] A visit to the Whipple Museum and Mullard Radio Astronomy Observatory (both at Cambridge) reveals a treasure trove of fascinating astronomical and historical items. Neil J. Short, 11 June 2025.
More.
