Sun – British Astronomical Association

This forum has 110 topics, 421 replies, and was last updated 14 hours, 40 minutes ago by Robin Leadbeater.

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- Topic
- Voices
- Posts
- Last Post
- helioseismology with a spectroheliograph
  Started by: Robin Leadbeater
- 1
- 1
- 14 hours, 40 minutes ago
  Robin Leadbeater
- The upcoming AGM / Recent solar eclipse
  Started by: MikeRushton
- 4
- 7
- 2 days, 12 hours ago
  Steve Holmes
- Two Impressive Sunspot Groups
  Started by: Peter Meadows
- 2
- 2
- 2 months, 2 weeks ago
  Mike Harlow
- Square solar filter
  Started by: Dawson
- 2
- 2
- 2 months, 3 weeks ago
  Roy Hughes
- Full disk Quark setup image
  Started by: Rudi Bjørn Rasmussen
- 1
- 1
- 5 months, 3 weeks ago
  Rudi Bjørn Rasmussen
- Superflaring region AR14366: observing opportunities
  Started by: Jeremy Shears
- 1
- 1
- 7 months, 2 weeks ago
  Jeremy Shears
- Public solar observing: Baader full aperture filter or Herschel wedge?
  Started by: Jeremy Shears
- 4
- 5
- 8 months, 2 weeks ago
  Dawson
- How lucky is that !
  Started by: Mr Jack Martin
- 2
- 2
- 10 months ago
  Robin Leadbeater
- Second etalon
  Started by: Dawson
- 1
- 2
- 11 months, 2 weeks ago
  Dawson
- 2025-09-12@ 12:10UT
  Started by: Paul Anthony Brierley
- 2
- 3
- 1 year ago
  Paul Anthony Brierley
- September 08-2025
  Started by: Paul Anthony Brierley
- 1
- 1
- 1 year ago
  Paul Anthony Brierley
- Lunt driving me mad
  Started by: Dawson
- 8
- 14
- 1 year, 2 months ago
  Brendan Tynan
- Safe Solar observing
  Started by: Mr Jack Martin
- 2
- 2
- 1 year, 3 months ago
  David Arditti
- Partial solar eclipse of 2022 October 25 1 2
  Started by: Nick James
- 9
- 23
- 1 year, 4 months ago
  Jeremy Shears
- Ha solar vignetting
  Started by: Dawson
- 3
- 5
- 1 year, 7 months ago
  Dawson
- Solar Section Newsletters download links missing
  Started by: Mr Nick Tonkin
- 7
- 12
- 1 year, 7 months ago
  Robin Leadbeater
- Solar super-montage photo from amateur
  Started by: James Lancashire
- 1
- 1
- 1 year, 8 months ago
  James Lancashire
- SUNSCAN – A fully integrated “Smart Spectroheliograph”
  Started by: Robin Leadbeater
- 3
- 5
- 1 year, 10 months ago
  Robin Leadbeater
- sun
  Started by: Peter Taylor
- 1
- 1
- 2 years ago
  Peter Taylor
- Geomagnetic storm predictions
  Started by: Mr Jack Martin
- 1
- 1
- 2 years, 1 month ago
  Mr Jack Martin

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