ASASSN-15ib: neglected bright dwarf nova

This appears to be superoutburst + rebrightening.

YYYYMMDD(UT) mag observer 20200820.2394 17.667c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200820.2427 17.532c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200820.2505 17.509c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200820.2637 17.464c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200822.2674 14.702o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200822.2706 14.716o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200822.2758 14.708o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200822.2859 14.729o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200824.2407 13.039o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200824.2439 13.044o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200824.2495 13.056o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200824.2614 13.046o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200828.2410 13.371o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200828.2447 13.363o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200828.2506 13.258o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200828.2610 13.191o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200903.2321 14.797o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200903.2353 14.747o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200903.2408 14.717o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200903.2524 14.824o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200905.2429 16.360o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200905.2466 16.276o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200905.2535 16.076o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200905.2655 16.138o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2239 16.502o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2257 16.524o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2276 16.518o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2295 16.351o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2336 16.365o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2364 16.535o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2435 16.427o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200907.2490 16.670o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200909.2264 15.088c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200909.2296 15.104c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200909.2352 15.125c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200909.2467 15.157c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200911.2217 16.686o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200911.2250 16.841o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200911.2324 16.924o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200911.2425 16.752o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200913.2215 17.400c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200913.2247 17.474c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200913.2307 17.380c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200913.2408 17.229c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200915.2192 16.828o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200915.2224 16.896o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200915.2279 16.922o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20200915.2385 16.958o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))