The second decade of DSLR astrophotography
My personal approach
A point of strategy
Mirrorless ILCs too
More sources of advanced DSLR information

The most important tips that aren’t in my 2006 book

Image acquisition
What are lights, darks, flats, flat darks, and bias frames?
(Revised) Exposure times and ISO settings
How DSLR spectral response compares with film
This is the decade of the equatorial mount
Guiding and autoguiding tips
Effect of polar alignment on tracking rate
The trick to using a polar alignment scope correctly
How a lens imperfection can look like a guiding problem
Celestron All-Star Polar Alignment: how to do it right
(New) The truth about drift-method polar alignment
(New) EdgeHD focal plane position demystified
Using an old-style focal reducer with an EdgeHD telescope
Vibration-free “silent shooting”
Lunar and planetary video astronomy with Canon DSLRs

Image processing
Superpixel mode — a skeptical note
How I use DeepSkyStacker
Taking a DeepSkyStacker Autosave.tif file into PixInsight
Calibrating and stacking DSLR images with PixInsight
Noise reduction tips for PixInsight
Manually color-balancing a picture in PixInsight or Photoshop
Using deconvolution to correct minor tracking problems
A note on flat-fielding in MaxIm DL
Should we do dark-frame subtraction in the camera?
The arithmetic of image calibration
EXIFLOG gets updated

Newer Canon DSLRs
Do Canon DSLRs have bias? Yes…
A look at some Canon 40D dark frames
An easy modification most DSLRs need

Source: Covington’s New DSLR Notes