may 18th 2024 prom with wide slit spectro

I LOVE finding out about different ways to appreciate the Sun and light in general. Use this forum to post your info or questions about various outside the mainstream ways to appreciate our life giving star!
Post Reply
Posts: 220
Joined: Mon May 02, 2022 1:19 pm
Has thanked: 348 times
Been thanked: 286 times

may 18th 2024 prom with wide slit spectro

Post by ChrisHalpha2017 »

through a bit of clear but hazy sky before going to work this morning....

with a 1800 lines and 1200 lines it was quite good but the contrast is still a bit low...

Also i've just realized but too late that the slit wasnt set properly in the focal plane of the collimator : that's why the h alpha line edges arent well defined and sharp...and so there is a loss of resolution... I'm going to fix that detail later ^^

Again NO Stacking !! so what you see here is what you can actually see when you look through the eyepiece.. There is no enhancement appart a bit of contrast with GIMP software.
zone observée.jpg
zone observée.jpg (264.66 KiB) Viewed 581 times
1200+++++++_20240518_063146.002_UT.jpg (91.75 KiB) Viewed 581 times
1200 tmm 2_20240518_062023.920_UT.jpg
1200 tmm 2_20240518_062023.920_UT.jpg (79.5 KiB) Viewed 581 times

spectro-coronographe ,Bresser 127/1200 ; Bresser 102/1350 , ASI 178MM
Post Reply