My ETX90 on observing site at IAG-USP...

Sunrise...

See the airplane crossing the sun!

Another picture...

The last moments...

Mosaics...

Observing reports:

Observer: Willian Carlos de Souza - REA/Brasil

Location: São Paulo - SP (Brasil)

Longitude: 46°37'59''W

Latitude: 23°32'36''S

Altitude: 760m

I and II contacts not seen

III contact:10h28m50s UT ( By Helio Vital Calculations :10:28:55.1 - Sun alt.: 12.0º)

IV contact:10h33m12s UT ( By Helio Vital Calculations :10:33:22.0 - Sun alt.: 12.9º)

Error of my observation ( Observed time - Calculed time)

III contact : O - C = - 5 segunds

IV contact: O - C = -10 segunds

The Black Drop phenomenon was visible ! ...See picture at Raquel Yumi webpage

Equipament: ETX90 with 32mm & 20mm Sirius Plossl eyepieces and Baader planetarium filter

Click Here to Back...