Your First Astrophotos

Astrophotography is a different hobby from looking through a telescope. Three ideas cover most of it.

A sensor accumulates light; your eye does not. Your eye refreshes about twenty times a second, so a faint nebula never gets brighter no matter how long you stare. A camera keeps collecting photons for minutes or hours, and faint colour builds up out of nothing.

The Earth turns, so you need tracking. Stars drift roughly 15 arcseconds per second. A tracking mount turns at the opposite rate and cancels it. The mount, not the telescope, decides whether you can image at all.

Many short frames beat one long one. Sixty two-minute frames stacked in software beat a single two-hour exposure, because random noise averages out while real signal does not.

Image quality improves with the square root of total exposure time - four hours is twice as smooth as one, not four times.

Two roads

Smart telescopes ($680-$1,300) are finished appliances: telescope, camera, mount and computer in one box, first image the night it arrives. The ZWO Seestar S30 Pro, Seestar S50 Pro and Dwarf Labs DWARF 3.

Modular rigs ($4,000 and up) are assembled and grown. Our recommended kits pair a Starfield Gear90 with a ZWO AM3N, an Askar SQA106 with a Sky-Watcher Wave150i and steel tripod, an Askar SQA130 with a ZWO AM5, and an Askar 130PHQ with a ZWO AM5, EQ6 steel tripod and PE200 pier extension.

Don't forget dew heaters - dew ends more Ontario nights than cloud does.

Not sure? Call us at (905) 487-6363 or visit the showroom at 670 Hardwick Rd, Unit 5, Bolton, Ontario. We will happily tell you to spend less.