Mkn 501 = 1652+398

R.A. (J2000.0)=16 53 52.2

Dec. (J2000.0)=+39 45 37




DSS image, 15x15 arcmin

Framed box corresponds to AZT-8 field of view

Recommended standard stars

star

B

Err B

V

Err V

R

Err R

I

Err I

1

13.55

.03

12.61

.02

12.11

.02

11.63

.01

2

16.82

.05

15.67

.04

14.99

.04

14.373

.015