That wasn't the best picture to take with the 111 and publish. It does look like blue bloat, although processing could account for much of it. I think reprocessing or a new picture is in order to mend all doubts.
-------------------- Francisco
TMB 100mm f/8 triplet apo
Universal Astronomics UniStar Deluxe w/ 7" saddle
Sokkia green heavy wood tripod
Televue 7mm Nagler T6
Televue 5mm Nagler T6
Televue 24mm Panoptic
Televue 2x barlow
Televue 2" Everbrite diagonal
Televue 2"-to-1.25" high-hat adapter for 2" diagonal
Stellarvue F50W2 9x50 RACI white deluxe finder
Astrozap Baader white-light solar filter
Baader 2" UHC-S filter