Sun

This forum has 103 topics, 421 replies, and was last updated 4 days, 14 hours ago by Dawson.

Viewing 20 topics - 1 through 20 (of 103 total)

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- Topic
- Voices
- Posts
- Last Post
- Second etalon
  Started by: Dawson
- 1
- 2
- 4 days, 14 hours ago
  Dawson
- 2025-09-12@ 12:10UT
  Started by: Paul Anthony Brierley
- 2
- 3
- 3 weeks, 4 days ago
  Paul Anthony Brierley
- September 08-2025
  Started by: Paul Anthony Brierley
- 1
- 1
- 1 month ago
  Paul Anthony Brierley
- Lunt driving me mad
  Started by: Dawson
- 8
- 14
- 2 months, 3 weeks ago
  Brendan Tynan
- Safe Solar observing
  Started by: Mr Jack Martin
- 2
- 2
- 3 months, 3 weeks ago
  David Arditti
- Partial solar eclipse of 2022 October 25 1 2
  Started by: Nick James
- 10
- 30
- 4 months, 4 weeks ago
  Jeremy Shears
- Ha solar vignetting
  Started by: Dawson
- 3
- 5
- 8 months ago
  Dawson
- Solar Section Newsletters download links missing
  Started by: Mr Nick Tonkin
- 7
- 12
- 8 months, 2 weeks ago
  Robin Leadbeater
- Solar super-montage photo from amateur
  Started by: James Lancashire
- 1
- 1
- 9 months ago
  James Lancashire
- SUNSCAN – A fully integrated “Smart Spectroheliograph”
  Started by: Robin Leadbeater
- 3
- 5
- 10 months, 4 weeks ago
  Robin Leadbeater
- sun
  Started by: Peter Taylor
- 1
- 1
- 1 year ago
  Peter Taylor
- Geomagnetic storm predictions
  Started by: Mr Jack Martin
- 1
- 1
- 1 year, 2 months ago
  Mr Jack Martin
- Large Sunspot Active Region 3780
  Started by: Lyn Smith
- 1
- 1
- 1 year, 2 months ago
  Lyn Smith
- Sunspots during recent TSE
  Started by: Steve Holmes
- 4
- 6
- 1 year, 5 months ago
  Lars Lindhard
- Total success from Mena, Arkansas
  Started by: Michael O’Connell
- 4
- 6
- 1 year, 5 months ago
  Mike German
- Bad eclipse viewing advice
  Started by: Steve Knight
- 8
- 16
- 1 year, 5 months ago
  Jeremy Shears
- Daft solar hydrogen alpha questions
  Started by: Dawson
- 5
- 10
- 1 year, 6 months ago
  Dawson
- Processing solar H-alpha with Pixinsight
  Started by: Kevin Gurney
- 3
- 9
- 1 year, 7 months ago
  Kevin Gurney
- Largest Sunspot Group of Cycle 25
  Started by: Peter Meadows
- 2
- 2
- 1 year, 7 months ago
  Mr Jack Martin
- Is there any connection between the tilt of the Sun and the Earth’s orbit?
  Started by: Dave Smith
- 3
- 7
- 1 year, 9 months ago
  Dave Smith

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