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.

For Sale

Daystar Quark Chromosphere, £850.

Events

Mon 22 Apr 2024, 19:30, Newbourne Village Hall, Newbourne meeting - beginners and new members welcome!
Sky Notes by Bill Barton, FRAS.

Wed 24 Apr 2024, 20:15, Orwell Park Observatory, General observing for members of OASI.

Wed 01 May 2024, 20:15, Orwell Park Observatory, General observing for members of OASI.

Mon 06 May 2024, 19:30, Newbourne Village Hall, Newbourne meeting - beginners and new members welcome!

Full events list, with contact details for further information.

 

Recent activities and observations

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[1/12]   A montage of images by Martin Cook (MPC) and Steve McElvanney (SM) shows the motion of sunspots L->R across the solar disk (caused by the rotation of the Sun). Sunspots identified using Spaceweather.com. 14-19 April 2024.
[2/12]   Active region and limb prominences in Hα light. 24 April 2024. John Hughes. More.
[3/12]   LHS: the Sun imaged in white light with a ZWO Seestar S50 "smart" telescope. The solar disk shows granulation, faculae and sunspots. RHS: solar image from Spaceweather.com enabling identification of sunspot groups. 17 April 2024. Stephen McElvanney. More.
[4/12]   Abell 1656, a cluster of over 1000 galaxies in the constellation Coma Berenices. 09 April 2024. John Hughes. More.
[5/12]   Active region (sunspots) AR3615 soon to disappear over the western limb of the Sun. Imaged in white light with a ZWO Seestar S50 "smart" telescope. 27 March 2024. Paul Whiting, FRAS. More.
[6/12]   Comet 12P/Pons-Brooks imaged with a Dwarf II "smart" telescope. The appearance of the comet has changed as it approaches perihelion, and it shows little evidence of the dark lane recorded eight months previously by another OASI observer. 22 March 2024. Michael Maran. More.
[7/12]   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.
[8/12]   OASI's presence at the 2024 Norwich Science Festival attracted much attention from visiting members of the poublic. 22 February 2024. Christina Nunn. More.
[9/12]   Intuitive Machines' lunar mission IM-1, marked "IM-1" en route to the Moon where it placed a lander on the surface, making the company 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.
[10/12]   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.
[11/12]   An auroral display seen through cloud from Helligskogen, 142 km south-east of Tromsø, Norway. 20 January 2024. Paul Whiting, FRAS. More.
[12/12]   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.