BAA Logo British Astronomical Association
Supporting amateur astronomers since 1890		 Spectrum of AC Her by Hugh Allen Home Login
Help

Entire Database Spectra Summary

Basic Summary
Summary by Year and Month
Summary by Object
Summary by Object (descending by number of spectra)
Summary by Observer
Summary by Spectrograph
Totals by Section
Totals by Section and Object Type
Totals by Section, Object Type and Subtype
Totals by Section and Object
Totals by Section and Observer

Basic Summary

Total Number of Spectra:19,487
First Spectrum:JD 2456361.284722\9 Mar 2013 18:49:59.980800 UT
Latest Spectrum:JD 2461230.476667\8 Jul 2026 23:26:24.028800 UT