Bibliography Details

“Questar Standard 3.5" Vintage Astronomy Photography Telescope with Case #9-547.” eBay, April 20, 2025. https://www.ebay.com/itm/256901002158.

The following is a complete listing of all citations using this source:

§ 2.1. Characteristics of Early Questar Telescopes

• Citation No. 1

Timeline

• Citation No. 2