#deepsky

Deep Sky Astrophotography on a Dob? You bet! Sort of. On rare occasions I have seen a 10 inch Newtonian or a C14 on a permanently installed EQ Mount. But by their nature Dob's operate exclusively on an alt-az axis, so very long exposures are not possible without star trails and other problems...

The Triangulum Galaxy (M33) from Bortle5/6 skies east of San Diego, CA. Equipment: iOptron CEM40 mount SkyWatcher Esprit 100 ASI2600MC-Pro imaging camera ASI290MM-mini guide camers (on OAG) Pegasus FocusCube2 Captured with NINA Processed with Pixinsight Lights: 87 x 240sec (rejected 34 of 121)...