{"push_id":559998093,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"a7c4226c43674eba6901f59899e40e4749036acf","before":"749636b2e7f40758baa4751ddbb690f7cfc9c7ee","commits":[{"sha":"a7c4226c43674eba6901f59899e40e4749036acf","author":{"email":"14bda55e1841d54bdf84e526748aa7d9b7e7914d@lbl.gov","name":"Julien Guy"},"message":"fix bug: R'=R*SD and A=R'*R'.T -> R'=SD*R and A=R'.T*R'  when solving for mean spectrum. this has been valided with unit test including large change of resolution among fibers","distinct":true,"url":"https://api.github.com/repos/desihub/desispec/commits/a7c4226c43674eba6901f59899e40e4749036acf"}]}