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.

Events

Wed 20 Mar 2024, 20:15, Orwell Park Observatory, General observing for members of OASI.

Thu 21 Mar 2024, 20:00, Zoom, Monthly Zoom meeting.

Mon 25 Mar 2024, 19:30, Newbourne Village Hall, Newbourne meeting - beginners welcome!

Wed 27 Mar 2024, 20:15, Orwell Park Observatory, General observing for members of OASI.

Full events list, with contact details for further information.

 

Recent activities and observations

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[1/12]   The Sun imaged in white light with a ZWO Seestar S50 "smart" telescope. The solar disk shows granulation, faculae and sunspots. 09 March 2024. Stephen McElvanney. More.
[2/12]   Archive images captured 14-15 April 2021 annotated to identify extremely remote quasars. The furthest away, SDSS J135841.39+373232.3, lies at a distance of 18.7 Mly. Analysis 08 April 2024 by John Hughes. More.
[3/12]   The venue at the Space Invaderz event at Suffolk Aviation Heritage Museum immediately before visitors arrived. The giant astronaut proved to be very popular! Members of OASI provided support by showing visitors the night sky through a variety of telescopes. 24 February 2024. Martin Cook. More.
[4/12]   The Sun imaged in Hα light. The enlarged insets show a limb prominence and detail around the large sunspot. 23 February 2024. Martin Cook. More.
[5/12]   The IM-1 lunar mission, marked "IM-1" en route to the Moon where it placed a lander on the surface, becoming the first commercial organisation to do so. The image is centred on IM-1, so stars appear as trails. 18 February 2024. Nigel Evans. More.
[6/12]   The Orion Nebula (M42) is the first-light object for OASI's newly-purchased ZWO SeeStar S50 "smart" imaging telescope. A stack of five minute exposures with minimal post-processing. 11 February 2024. Andy Gibbs. More.
[7/12]   An auroral display seen through cloud from Helligskogen, 142 km south-east of Tromsø, Norway. 20 January 2024. Paul Whiting, FRAS. More.
[8/12]   IC1795 and IC1805, two small star clusters embedded in emission nebulae at a distance of 7500 light years. 19 December 2023 - 15 January 2024. John Hughes. More.
[9/12]   Two views of Jupiter. LHS: Andy Gibbs, 19 December 2023. RHS: Carl Baldwin, 17 December 2023. In both images, the Great Red Spot is visible in the southern hemisphere of the planet. More.
[10/12]   OASI's 2023 Christmas quiz at Newbourne Village Hall, on Monday 11 December 2023, was greatly enjoyed by all who attended. Image by John Wainwright.
[11/12]   Two sketches of the Sun, observed in white light, show the motion and evolution of active regions (sunspots). LHS: 06 December 2023; RHS: two days later. Neil Morley. More.
[12/12]   An aurora was visible over much of the British Isles on the evening of 05 November 2023. Left-top: Martin Cook; left-bottom: Paul Whiting, FRAS; right (top-bottom): Toni Smith. More.