D850 Cooled vs. Uncooled

A7s Cooled vs. Uncooled

Hajime Sasano

 

Antares & Rho Ophiuchus Region,

Astro D850 Cooled (-9℃), ISO3200 1min X 90

Telescope: TAKAHASHI FSQ106ED(F3.0)

Hajime Sasano

 

M8&M20

Astro D850 cooled(-7.7℃) , ISO3200  2min X 18,

Telescope: TAKAHASHI ε250C

M13 ,Camera: CentralDS Astro 5D mark IV 90cm Cassegrain, iso 1600, 30sec X 4,  processed by PS, stack by AS Date: 11 May 2018, Location: near Munich, Germany

 Enrico Enzmann

M13 ,Camera: CentralDS Astro 5D mark IV 90cm Cassegrain, iso 1600, 30sec X 4,  processed by PS, stack by AS Date: 11 May 2018, Location: near Munich, Germany

M13 , Astro 5D mark IV 90cm Cassegrain, iso 1600, 30sec X 4,  processed by PS, stack by AS Date: 11 May 2018, Location: near Munich, Germany

Photographer: Enrico Enzmann
Title: M13
Image Data:

Camera: CentralDS Astro 5D mark IV
90cm Cassegrain, iso 1600, 30sec X 4,  processed by PS, stack by AS

Date: 11 May 2018, Location: near Munich, Germany

Q: How can I change the reddish astro images taken by my modified camera to the natural colored astro images?

A:  The camera modification for astro photography aims to  maximum H-alpha (Hα)  656nm recording. Camera modification for astro photography make the regular camera to High Ha sensing camera, it’s about 3 times more compared to unmodified digital cameras.

But the color of background will become so reddish, because the increased red light amount.

There are many ways of image processing to correct the reddish colors to natural colors.

Here are 2 simple ways.

A. Take the shots using Custom White Balance

Read more

Enrico Enzmann

Photographer: Enrico Enzmann
Title: M51
Image Data:

Camera: CentralDS Astro 5D mark IV
90cm Cassegrain, iso 650, 240sec X 13,  PS and ES processed,

Date: 8 May 2018, Location: near Munich, Germany