Affiliation: | 1. School of Sciences, Southwest Petroleum University, Chengdu 610500, China;2. School of Electronic and Electrical Engineering, Chuzhou University, Chuzhou 239000, China;1. Laboratório Nacional de Astrofísica, Rua Estados Unidos, 154, CEP, Itajubá, MG 37504-364 Brazil;2. CBA Wisconsin, Luckydog Observatory, 65027 Howath Road, de Soto, WI 54624, USA;3. CBA Concord, 1730 Helix Ct., Concord, CA 94518, USA;4. CBA Ontario, Newcastle Observatory, 9 Laking Drive, Newcastle, ON L1B 1M5, Canada;5. AAVSO, Rolling Hills Observatory, 1643 Nightfall Drive, Clermont, FL 34711, USA;6. CBA Oregon, Jack Jones Observatory, 22665 Bents Road NE, Aurora, OR 97002, USA;7. CBA Wilts, 2 Spa Close, Highworth, Swingdon SN6 7PJ, UK;8. CBA Sierras, Sierra Remote Observatories, 44325 Alder Heights Road, Auberry, CA 93602, USA;9. CBA Illinois, Northbrook Meadow Observatory, 855 Fair Lane, Northbrook, IL 60062, USA |