Spectroheliograms recorded using the new CCD camera in the OAUC, Coimbra, Portugal

Details Spectroheliograms recorded using the new CCD camera in the OAUC, Coimbra, Portugal Spectroheliograms recorded using the new CCD camera in the OAUC, Coimbra, Portugal

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010nspm.conf..206g&link_type=abstract

Proceedings of the 20th National Solar Physics Meeting, held 31 May - 4 June, 2010 in Papradno, Slovakia, p. 206-209

Physics

Scientific paper

Spectroheliograms in the OAUC (Coimbra, Portugal) have been photographed in the spectral line of Ca II continuously since 1926, and since 1990 spectroheliograms in H-alpha have been photographed as well. Since 2007, all the spectroheliograms are recorded using new CCD camera. Specifications of the camera, including the new optical scheme of the spectrograph, were presented in a previous paper (Klvana et al., 2006). On the data recorded in 2010 we demonstrate the good quality of spectroheliograms taken during standard observing conditions, influence of the clouds and the effects introduced by filtering.

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