CDK 17" with QHY600 CMOS Camera
Processed in AstroImageJ. Airmass and meridian flip detrendings applied. No data points removed. Excellent night

CDK 17" with QHY600 CMOS Camera
Processed in AstroImageJ. Airmass and meridian flip detrendings applied. No data points removed. Excellent night

RC 14" f/8 on EQ8; SBIG ST-8XME, Johnson-Cousins BVRcIc filters
120" bin1 exposures

RC 14" f/8 on EQ8; SBIG ST-8XME, Johnson-Cousins BVRcIc filters
120" bin1 exposures

C-14, Paramount MEII, SBIG ST-8XME
The begin of the transit was earlier than predicted. Photometric R filter, 20 sec exposures, two comparison stars used. TOI-1709 is located in the constellation Lynx not in Cygnus!