CCD vs Film? Lots of time vs no patience? Alright, this is your place to discuss all the astrophotography what's and what's not. You can discuss about techniques, accessories, cameras, whatever....just make sure you also post some nice photos here too!
Hot pixel can be effectively remove by subtracting the Dark Frame of the same time duration & temperature with the Light frame,
One point to note: it is found necessary to do some streching on the Dark Frame before subtraction of each individual subs in order to achieve optimum result
