1.5 days a week probably manageable, but you will totally out on a limb if everyone else on the course is living there and helping each other out with assignments for the other 3.5 days lol.
i have to say it is easily the most stressful thing i've done. i've got 3 dcs and in all honesty had not realised how time consuming pick-ups and childminders, and toing and froing actually was. in my innocence, i thought, oh, they're at the cms and after school club on those days, it will be fine. is your 1yo going to have any other cm/ nursery time, or just when you are in college?
it is possible - don't want to be negative, but it will be bl**dy hard work...
dh also travels frequently for a week or two at a time, and i have to say that organising the daily grind without an extra pair of hands and then getting to college on time (what time do you have to be there lol?) is a feat in itelf... i turned up a few weeks ago for my first lecture having dropped 4 children at two different schools, painted one of them purple, and collected a prescription from the hospital en route, and all i really wanted to do was go home for a cup of tea, not sit through a day of lectures lol. and everyone else sort of wandered in having got out of bed ten minutes earlier it's marginally easier now it's only two drop-offs and not 3, but it is still a pita tbh.
go on, you can do it, but don't underestimate exactly what it will entail lol.