[Aavso-photometry] J1255+266--70 Minute Stack

[Jim Roe]

Gary Walker wrote:
> Hello;
> 
> Just got 35 images, 120 sec exposures.? Twilight Flat Fielded from
> tonights Flats, Stacked and aligned them.? All V filtered,
> differential from the 170 as a comp.? Got the 168 at 16.888 with SNR
> of 130;? Got the 170 at 17.0 with SNR of 87; Got the 181 at 18.268
> with SNR of 20.
> 
> Got J1255+266 at 19.3 with SNR of 11.?
> 

Last night, I got J1255+266 at 19.222V  with a SNR of 4.7, 36x15sec 
stack with 80cm reflector.  I guess it's good for the Hubble tests?

Jim Roe [ROE]