Hello @heather50,
Welcome to the forum! The coven community is blessed to have you here 
@Cosmic_Curiosity is a very talented astrologer and will have better astrology-specific wisdom to share with you than I can offer, but if I can put a few general thoughts on the table, I’d say yes - drawing on the alignment of the planets could enhance your spellwork 
When casting a spell, there are so many influences one can draw on - from the current phase of the moon, to the associations of the day of the week, to any deities they work with, to crystals included, to the magickal correspondences of ingredients they use, etc. There’s a lot out there! There’s also no need to draw on every possible influence in a given spell. As someone who believes that our spellwork is guided by our intentions, I’ve found that it’s the magickal influences we acknowledge that enhance and guide our spells.
So, if you believe that the alignment of the planets is a positive and powerful force, and you choose to invite that power into your space, I’d say it would enhance and guide your magick 
As for what specific traits the alignment of the planets could bring to a spell, on a basic level, I’d say balance, harmony, creating pathways, completion of a cycle, start of a new cycle, and the might of universal forces. You might also consider the general energies of each planet in alignment to also be enhanced. Cosmic has a great guide about the planets and their individual associations, I’ll link it here:
→ Beginner Astrology - Guide to the Planets
Whether you choose to tap into the planetary alignment for your spells or not, I’m wishing you happy casting! Blessed be 