Shiva Purana
परव्योमावकाशाख्यं विद्ययातीव भास्वरम् ॥ परिकल्प्यासनं मूर्त्तेः पुष्पविन्यास पूर्वकम् ॥ ३७॥
The other sky is called space and it is very bright. Arrange a seat for the idol before arranging flowers.
english translation
paravyomAvakAzAkhyaM vidyayAtIva bhAsvaram ॥ parikalpyAsanaM mUrtteH puSpavinyAsa pUrvakam ॥ 37॥
hk transliteration by Sanscript