British Astronomical Association
Supporting amateur astronomers since 1890

Gallery

Observers

Objects

Sky map

Histogram

FAQs

Search

Active filters

✖
Owner: John Coffin

Select library


Sort order


▶
▼
John Coffin's collections

Filter by object

Object type

Object name


▶
▼
Filter by upload date
▶
2020 (3)
▶
2019 (1)
▶
2018 (3)
▶
▼
Filter by observation date
▶
2020 (3)
▶
2019 (1)
▶
2018 (3)
John Coffin

John Coffin

I’m definitely a learner. I’ve been observing for a couple of years now and I’ve become very interested in spectroscopy with a Star Analyser. I’ve been working on techniques to increase the resolution of this simple device and have also started using an Alpy 600 spectroscope. I hope to collect spectra of cataclysmic variable stars and learn more about these fascinating objects.

Local societies

Showing all 7 of this user's images.


4 
0 
Nova Cas 2020
John Coffin
Obs 2020 Sep 22 – 15:14 UTC
Upload 2020 Sep 23 – 15:19 UTC

5 
0 
Nova Cas 2020
John Coffin
Obs 2020 Aug 12 – 00:30 UTC
Upload 2020 Aug 13 – 07:33 UTC

3 
0 
Comet C 2020 F3 (NEOWI...
John Coffin
Obs 2020 Jul 21 – 00:26 UTC
Upload 2020 Aug 11 – 09:05 UTC

10 
1 
Quasar 3C 273
John Coffin
Obs 2019 Apr 10 – 23:30 UTC
Upload 2019 Apr 26 – 18:26 UTC

2 
0 
AG Draconis annotated ...
John Coffin
Obs 2018 Sep 14 – 17:30 UTC
Upload 2018 Oct 31 – 12:20 UTC

2 
0 
AG Draconis Spectra Se...
John Coffin
Obs 2018 Oct 28 – 23:00 UTC
Upload 2018 Oct 31 – 11:54 UTC

2 
0 
AG Draconis compared w...
John Coffin
Obs 2018 Oct 28 – 11:38 UTC
Upload 2018 Oct 31 – 11:48 UTC

© British Astronomical Association 2021

Registered charity no. 210769
Registered company no. 117572
For more information including contact details, click here.

Our privacy policy is here.

The BAA image gallery was designed and
built by Dominic Ford

Image gallery software © Dominic Ford 2020