Observation by David Swan: NGC 40: spectrum

Uploaded by

David Swan

Observer

David Swan

Observed

2018 Feb 13 - 21:35

Uploaded

2018 Feb 13 - 22:55

Objects

The Bow Tie Nebula (NGC40)
Spectrum

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Constellation

Cetus

Field centre

RA: 01^h41^m
Dec: -24°29'
Position angle: -90°34'

Field size

0°22' × 0°11'

Equipment

200mm SCT @ f/6.3
ASI178MM
StarAnalyser100
FireCapture and RSpec

Exposure

20 x 10s

Location

Tynemouth, UK

Target name

NGC 40

Title

NGC 40: spectrum

About this image

I have looked at the Wolf Rayet WC-type reference spectrum. If I am interpreting things correctly, then I would say that the peaks around 4650 and 5700 - 5800 A can be attributed to CIII/IV. This is a composite spectrum of the central star and its nebula.

Files associated with this observation

NGC-40-spec_0.png (8.1 kB)

Like this image

Dr Andrew Smith, Jeremy Shears, Peter Mulligan, Graham Winstanley, Peter Carson, Dean Ashton

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