AR2724 & AR2725, 150mm vs 120mm, HA & WL | Oct 14th 2018
Posted: Sun Oct 14, 2018 5:14 pm
Heya,
Woke up to a fairly decent sky. Fiddled between a few setups to see some differences. I mainly wanted to compare real world results of a 150mm (6") refractor to a 120mm (4.7") refractor, both at F35. There's a single decent prom but I mainly just observed it a while. I was overall watching the two AR's to see if any activity would stir up, like flares. The filaments are really interesting. I didn't do an animation today as clouds came in around 11, but I bet those three looping filaments are mobile and really interesting. Took a look at the AR's in white light, where they're way less impressive with just tiny little visible umbra and none of the wild chromospheric features, but rather just looked at the convection cells.
Celestron CR150HD 150mm F8 Refractor + Quark + ASi174MM
....Also with just ERF + 395nm filter for white light + 3x barlow + ASI174MM
Celestron Omni XLT 120mm F8 Refractor + Quark + ASI174MM
Coronado PST + 1.5x barlow + ASI174MM
B&W:
150mm:
120mm:
150mm:
40mm:
150mm next to 120mm:
Color:
____________________________________________________________
Very best,
Woke up to a fairly decent sky. Fiddled between a few setups to see some differences. I mainly wanted to compare real world results of a 150mm (6") refractor to a 120mm (4.7") refractor, both at F35. There's a single decent prom but I mainly just observed it a while. I was overall watching the two AR's to see if any activity would stir up, like flares. The filaments are really interesting. I didn't do an animation today as clouds came in around 11, but I bet those three looping filaments are mobile and really interesting. Took a look at the AR's in white light, where they're way less impressive with just tiny little visible umbra and none of the wild chromospheric features, but rather just looked at the convection cells.
Celestron CR150HD 150mm F8 Refractor + Quark + ASi174MM
....Also with just ERF + 395nm filter for white light + 3x barlow + ASI174MM
Celestron Omni XLT 120mm F8 Refractor + Quark + ASI174MM
Coronado PST + 1.5x barlow + ASI174MM
B&W:
150mm:
120mm:
150mm:
40mm:
150mm next to 120mm:
Color:
____________________________________________________________
Very best,