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Share your own activities, experiences, and thoughts about astronomy with the rest of the worldwide AWB community.
Share your own activities, experiences, and thoughts about astronomy with the rest of the worldwide AWB community.
During the GAM 2019 our local group, NEOA-JBS, organized four meetings in Abril 3, 10, 17 and 24. On April 3 we present three talks: (1) How "Global Astronomy Month" begun? (2) Stephen Hawking (3) Olympic Moment: Question about celestial sphere On April 10 four talks were present: (1) The first IAU's event about amateur astronomers (2) SONEAR Observatory (3) "Amateur Astronomy" and "Professional Astronomy" - can you discern the difference? (4) Amateurs astronomers and outreach During April 17's meeting talks were about ethnoastronomy as follows: (1) Tupi-guarani astronomy (2) Andean astronomy (3) "Zodiacal" astronomy On April 24 another three... Read More...
On Sunday, March 24, 2019, at 21:40 UT (18:40 EBT), several people observed a fireball with magnitude roughly -12. Some observers sent their data to International Meteor Organization and they are available here: https://fireballs.imo.net/members/imo_view/event/2019/1245 At least one video was recorded by an observer in Imbituba, Santa Catarina, Brazil, and is at this link: https://fireballs.imo.net/members/imo_video/view_video?video_id=2011 Preliminary results was published in our Newsletter Observe! , April 2019 issue, pages 16-17, available at this link: http://www.geocities.ws/costeira1/neoa/observe.pdf Read More...
NEOA-JBS observed, registered and published data for the total lunar eclipse in 21 January 2019. The minimum global magnitude of the eclipsed moon was estimated to -1.5. This is a little fainter than predictions made by Helio Vital, who pointed a minimum magnitude around -2.7. This suggests that eclipse was darker than predited. Observers did Danjon estimates and the mean value was between L=1.5 and L=2.5 during totality. Marcelo Zurita (BRAMON) shared its meteoroid flash registered at 04:41:38 UT. A total of 19 observers shared their data and results were published in NEOA's Newsteller called Observe! February 2019. This newsletter... Read More...