Hello
A bit delayed here are some snapshot spectra of NGC 6543 and M57 to celebrate the important anniversary. They were taken early on the morning of 31st August.
The pictures were taken with a Star Analyser 100 attached to a modified (filter removed) Canon 650D attached to a 200 mm Newtonian ...
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- Sun Sep 07, 2014 10:06 am
- Forum: Spectra, results, information on activity ...
- Topic: 150 years after... observe a planetary nebula spectrum !
- Replies: 11
- Views: 18234