symaski62

https://lanceurs.destination-orbite.net/videotransmission.php?id=75 CRÉNEAU DE TIR Fenêtre: 30/07/2020 (13:35 à 15:35 TU) Mise à jour: 30/06/2020: Report au 30/07 afin de procéder à des contrôles supplémentaires sur le lanceur. INFORMATIONS Lanceur: Atlas V/541 Charge utile: Mars 2020 Centre spatial: Cape Canaveral Space Force Station depuis le pas de tir SLC-41 Opérateur: United Launch Alliance

https://en.wikipedia.org/wiki/Solar_cycle (anglais) http://solarcyclescience.com/solarcycle.html

source : spaceweather C/2020 F3

voilà

blanc = vénus et C/2020 F3 demain matin 5h37 CEST attention soleil 5h42 CEST

https://arxiv.org/abs/2006.14712 TRAPPIST-1 Superflare Occurrence and Planetary Habitability

le premier semaine juillet 2 à 4 magnitude

https://www.spaceweather.com/archive.php?view=1&day=24&month=06&year=2020 C/2020 F3

6 mag

https://www.spaceweather.com/archive.php?view=1&day=09&month=06&year=2020 wow ! C/2020 F8

https://www.spaceweather.com/archive.php?view=1&day=02&month=06&year=2020 INFERIOR CONJUNCTION OF VENUS: Tomorrow, June 3rd, Venus will pass almost directly between the Earth and the sun. This is having a strange effect on the planet's shape. "It is like a ring of fire," says Didier Favre, who sends this picture from Brétigny-sur-Orge, France: https://spaceweathergallery.com/indiv_upload.php?upload_id=163013

http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Nova+Del+2013&submit=SIMBAD+search confirmés variable (V) Gaia DR2 1817026669528976768 Parallaxes (mas) : 0.3814 phot_g_mean_mag : 13.8218 mag phot_bp_mean_mag : 13.7600 mag phot_rp_mean_mag : 13.5303 mag teff_val : 8299.67 K