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ISO and Exposure Time
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Michael Anderson #7438 Need advise on recommended ISO setting and exposure time for deep sky using a Canon M50 DSLR w/ astronomik light pollution filter in a class 8 city sky. -- Michael Anderson: Earthling Handle: MrThump30 Home World: Planet Earth Scope: ES Comet Hunter Mak-Newt 152mm F4.8 Mount: Celestron AVX w/ All Star Polar Align & Polar Scope Camera/Eyepiece: Canon M50 DLSR, Orion StarShoot Pro Mono / Hyperion MK4 8-24 Zoom Finder Scope/Autoguider: ES 8x50 RA Finder Scope / Orion 50mm Guide Scope Hardware/Software: Computer: HP 15" Laptop, Windows 10 / Programs: ASCOM 6.4, PHD V2 Cooler: Rubbermaid 48Qt Beer: Cold Coffee: Black Music: Jethro Tull
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Dan Kahraman #7440 Michael: Try both ISO 400 & 800. The chart for the 50D isn't clear. Your exposures will be longer with the filters than without...but don't change the ISO https://dslr-astrophotography.com/iso-values-canon-cameras/ Dan Kahraman toggle quoted messageShow quoted text On Mon, 27 Jul 2020 at 08:14, Michael Anderson <mikey.ma1982@...> wrote: Need advise on recommended ISO setting and exposure time for deep sky using a Canon M50 DSLR w/ astronomik light pollution filter in a class 8 city sky. -- Michael Anderson: Earthling Handle: MrThump30 Home World: Planet Earth Scope: ES Comet Hunter Mak-Newt 152mm F4.8 Mount: Celestron AVX w/ All Star Polar Align & Polar Scope Camera/Eyepiece: Canon M50 DLSR, Orion StarShoot Pro Mono / Hyperion MK4 8-24 Zoom Finder Scope/Autoguider: ES 8x50 RA Finder Scope / Orion 50mm Guide Scope Hardware/Software: Computer: HP 15" Laptop, Windows 10 / Programs: ASCOM 6.4, PHD V2 Cooler: Rubbermaid 48Qt Beer: Cold Coffee: Black Music: Jethro Tull
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Michael Anderson #7441 I did take 9 pictures 400 ISO @5 minutes each on M101, but it did not seem to pick up much detail in the galaxy when stacked. Maybe it is me just processing wrong. I will try 800 ISO when the skies clear next, thanks. toggle quoted messageShow quoted text On Mon, Jul 27, 2020 at 7:51 AM Dan Kahraman <dkahra213@...> wrote: Michael: Try both ISO 400 & 800. The chart for the 50D isn't clear. Your exposures will be longer with the filters than without...but don't change the ISO https://dslr-astrophotography.com/iso-values-canon-cameras/ Dan Kahraman On Mon, 27 Jul 2020 at 08:14, Michael Anderson <mikey.ma1982@...> wrote: Need advise on recommended ISO setting and exposure time for deep sky using a Canon M50 DSLR w/ astronomik light pollution filter in a class 8 city sky. -- Michael Anderson: Earthling Handle: MrThump30 Home World: Planet Earth Scope: ES Comet Hunter Mak-Newt 152mm F4.8 Mount: Celestron AVX w/ All Star Polar Align & Polar Scope Camera/Eyepiece: Canon M50 DLSR, Orion StarShoot Pro Mono / Hyperion MK4 8-24 Zoom Finder Scope/Autoguider: ES 8x50 RA Finder Scope / Orion 50mm Guide Scope Hardware/Software: Computer: HP 15" Laptop, Windows 10 / Programs: ASCOM 6.4, PHD V2 Cooler: Rubbermaid 48Qt Beer: Cold Coffee: Black Music: Jethro Tull -- Michael Anderson: Earthling Handle: MrThump30 Home World: Planet Earth Scope: ES Comet Hunter Mak-Newt 152mm F4.8 Mount: Celestron AVX w/ All Star Polar Align & Polar Scope Camera/Eyepiece: Canon M50 DLSR, Orion StarShoot Pro Mono / Hyperion MK4 8-24 Zoom Finder Scope/Autoguider: ES 8x50 RA Finder Scope / Orion 50mm Guide Scope Hardware/Software: Computer: HP 15" Laptop, Windows 10 / Programs: ASCOM 6.4, PHD V2 Cooler: Rubbermaid 48Qt Beer: Cold Coffee: Black Music: Jethro Tull
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Robert Hoskin #7443 Michael, Tons of discussions on camera ISO's, etc. over on CloudyNights, and some astrobin posters also list their ISO. Probably best to figure out the ISO that best suits your camera, and then sort out the exposure with trial-and-error. CN is where I learned the best astro-ISO for my D5300, and that for my specific camera, there was no point in taking darks. Lots of back-and-forth to sort through. Search is your friend... - Bob -- Mounts: ES PMC-8 EXOS2 Scopes: SV 102EDT, ZWO 60/280 Guide Cameras: Nikon D5300, Altair GPCAM2 290M Software: ASCOM, CdC, AstroTortilla, BYN Pro, Sharpcap, PHD2 Computer: Thinkpad x230, Win7Pro/64
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Michael Anderson #7444 Thanks Bob toggle quoted messageShow quoted text On Mon, Jul 27, 2020 at 8:15 AM Robert Hoskin <devonshire@...> wrote: Michael, Tons of discussions on camera ISO's, etc. over on CloudyNights, and some astrobin posters also list their ISO. Probably best to figure out the ISO that best suits your camera, and then sort out the exposure with trial-and-error. CN is where I learned the best astro-ISO for my D5300, and that for my specific camera, there was no point in taking darks. Lots of back-and-forth to sort through. Search is your friend... - Bob -- Mounts: ES PMC-8 EXOS2 Scopes: SV 102EDT, ZWO 60/280 Guide Cameras: Nikon D5300, Altair GPCAM2 290M Software: ASCOM, CdC, AstroTortilla, BYN Pro, Sharpcap, PHD2 Computer: Thinkpad x230, Win7Pro/64 -- Michael Anderson: Earthling Handle: MrThump30 Home World: Planet Earth Scope: ES Comet Hunter Mak-Newt 152mm F4.8 Mount: Celestron AVX w/ All Star Polar Align & Polar Scope Camera/Eyepiece: Canon M50 DLSR, Orion StarShoot Pro Mono / Hyperion MK4 8-24 Zoom Finder Scope/Autoguider: ES 8x50 RA Finder Scope / Orion 50mm Guide Scope Hardware/Software: Computer: HP 15" Laptop, Windows 10 / Programs: ASCOM 6.4, PHD V2 Cooler: Rubbermaid 48Qt Beer: Cold Coffee: Black Music: Jethro Tull
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