Straylight masks for AOR 4958976 (galactic FLS), channel 4, with straylight 
bits set:

 smask_SPITZER_I4_4958976_131_0_1_bcd.fits
 smask_SPITZER_I4_4958976_155_0_1_bcd.fits
 smask_SPITZER_I4_4958976_167_0_1_bcd.fits
 smask_SPITZER_I4_4958976_17_0_1_bcd.fits
 smask_SPITZER_I4_4958976_241_0_1_bcd.fits
 smask_SPITZER_I4_4958976_243_0_1_bcd.fits
 smask_SPITZER_I4_4958976_77_0_1_bcd.fits