NGC 6946 - Filter R

Seeing (arcsec)	Airmass 1.0	Airmass 1.5	Airmass 2.0
0.6	3*125s	3*85s	3*105s
1.0	3*125s	3*85s	3*105s
1.5	3*125s	3*85s	3*105s
2.0	3*167s	3*113s	3*131s