Observation by David Swan: Spectrum!

Uploaded by

David Swan

Observer

David Swan

Observed

2018 Jan 15 - 19:24

Uploaded

2018 Jan 15 - 20:38

Objects

Alioth
Spectrum

Equipment
  • 200mm SCT @ f/6.3
  • ASI178MM
  • Star Analyser
  • FireCapture and RSpec
Exposure

1 frame: 400ms, 50% gain

Location

Tynemouth, UK

Target name

Alioth

Title

Spectrum!

About this image

My first (ok, first web-published) spectrum! The target was Alioth in UMa, an A type star. The Balmer alpha, beta and gamma absorption lines are clear. A hint of the delta too. This is the raw spectrum calibrated to wavelength - no instrument response correction!

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Comments
Jeremy Shears
Jeremy Shears, 2018 Jan 15 - 21:39 UTC

Delighted to see your first spectrum, David.

Keep up the good work! It looks like your getting some really helpful advice on the Forum.

All the best,

Jeremy

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