Have you ever finished an imaging session, and asked yourself, "Hmmm... I wonder how much more integration time/sub exposures I need to get a good image?" In this video, I'll show you my web application that can help you figure that out! Astrophotography answers are sometimes complicated. But my free web app can help make things simpler. Become a buymeacoffee member to help choose which products I review: Affiliate Links: Skywatcher HEQ5 Mount Skywatcher 80mm F7.5 Doublet ZWO EFW mini filter wheel Optolong LRGB Filter Set ( ") Orion Reducer USB RJ45 Cable for Controlling Mount Raspberry Pi to control mount R Pi case with touch screen ZWO Autofocuser ZWO 294MM Pro Camera: HEQ5 Mount: (mine is Orion Sirius, which is equivalent) ZWO Filter Wheel: Optolong Filters (LRGB, SII, Ha, OIII): (the Ha and OIII narrowband filters are better than what I have) Skywatcher Evostar 80mm: (equivalent lens) USB RJ45 Cable: (connects mount to laptop directly; mine is a different brand, but this should do) ZWO Autofocuser: Reducer: (mine is Orion, but this should be equivalent) Join this channel to get access to perks: