Search found 3 matches

by Mconsidine
Tue Dec 04, 2018 11:13 pm
Forum: Solar / Lunar / Planetary Images
Topic: Solar prom through a 1930s Hale-style spectrohelioscope
Replies: 1
Views: 4312

Solar prom through a 1930s Hale-style spectrohelioscope

Here is a colorized, cropped result of stacking 178 images of a prominence from Nov 12, 2018, using an ASI174MM and a relay lens+optical wedge combination. The workflow wasn't optimized because this was my first attempt at using the camera on spectrohelioscope, which was recently installed at Stella...
by Mconsidine
Thu Oct 04, 2018 3:55 pm
Forum: Cameras
Topic: Sensor cover plate
Replies: 3
Views: 1301

Re: Sensor cover plate

Thanks Sean. It looks like I would theoretically pick up some transmission in the blue. Regarding the firmware question, I was really just wondering if there is anything in the firmware that assumes that the plate with that transmission is in place. In other words, lets say removing the coverplate a...
by Mconsidine
Mon Oct 01, 2018 4:21 pm
Forum: Cameras
Topic: Sensor cover plate
Replies: 3
Views: 1301

Sensor cover plate

Hi, I'm wondering if anyone from ZWO can tell me if there is anything in the camera (ASI174MM, uncooled) firmware which assumes that there is a cover plate on the sensor? I.e. is there some assumption made about bandpass or transmission, etc? I understand that removing the cover-plate would void the...