A1  Two close stars, the magnitude refers to both stars
A2  Flare star? Only one maximum
A3  Eclipsing binary, the period is 27.001 days or fraction of this at 
A3   epoch 2439710.439. Minimum lasts for more than 60 minutes
A4  Very slow dwarf nova?
C1  Observed only with intensifier camera (IC) (nine observations 1982-1985)
C2  LD 68 = V 485 Cas
C3  B-V from IC observations
C4  Flare star?
B1  Close faint star (5"-30") may influence the magnitude estimations at minimum
B2  Possibly carbon star.
B3  Small light variations in 1967-82.
B4  P changes +/-5 days.
B5  P changes between 450 and 560d.
B6  P changes between 215-240d, average 227d. LD 138=AI Vul.
B7  Light variations only in 1967-70, max 2440030.
B8  Long intervals constant 15.0 at min.
B9  P between 195-205d. Fast variations of 0.3mag in one hour.
B10 P increases from 288 to 300d between 1986 and 1992.
B11 Not found on 103aD plates in 1967-82.
B12 P changes from 362 to 355 days between 1970 and 1990.
B13 0.5mag variations in one hour.
B14 Nova-like? Only one sharp max 2446945. Nothing in 1967-82.
B15 P change +/-30d.
B16 P change (between 240-290 days).
B17 LD 180=V1460 Cyg. P increases from 367 days (1968) to 382 days (1990).
B18 LD 183=V1464 Cyg. V1460 and V1464 are given with wrong coordinates in 
B18  GCVS (3' and 5').
B19 LD 120=TAV 1921+24=CCS 2728. The Astronomer, Vol. 28, No. 332, 182, 1991.
B20 LD 135=TAV 1941+34. The Astronomer, Vol. 26, No. 311, 237, 1990.
B21 LD 142=V1000 Cyg.
B22 LD 164=HX Vul. In GCVS given with 10' wrong coordinates.
D1  IRAS star.
D2  Close (5"-30") faint star, may influence magnitude estimates at minimum.
D3  Could be V677 or V1093 Cyg.
D4  Period increasing.
D5  FK Lac?
D6  Period variable?
D7  Period increased from 271 to 280 days, 1972-95.
D8  NSV 14621, period varies from 320 to 325 d.
D9  Maxima only in 1968 and 1993.