HD290380 eclipse

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HD290380 eclipse

Postby Arnold de Bruin » Tue Oct 09, 2018 3:11 pm

Dear all,
Last year in France I took spectra of HD290380 because of an AASVO alert concerning an eclipse by a planet/brown dwarf.
Only last evening I could take another one...... the green one is last year.

compare.jpg (83.47 KiB) Viewed 1231 times

The SNR is very low (magnitude>10) but the difference is obvious!
Cheers Arnold
Arnold de Bruin
Posts: 6
Joined: Thu Aug 25, 2016 2:28 pm
Location: Bussum

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