BL Lacertae = 2200+420

R.A. (J2000.0)=22 02 43.3

Dec. (J2000.0)=+42 16 40





J band, 4x4 arcmin

Recommended standard stars

star

J

err J

H

err H

K

err K

1

12.594

.001

12.211

.001

12.133

.002

2

9.783

.001

8.999

.001

8.803

.002

3

12.046

.001

11.457

.001

11.328

.001