http://www.werbeagentur.org/oldwexi/...B99_576xsm.jpg
This
Sh2-1 and
Sh2-7 image was built by using Ha, OIII, and RGB filter.
Total exposures:
26 x 5 minutes using H-Alpha filter,
20 x 5 minutes using OIII filter.
23 x 5 minutes using R filter,
21 x 5 minutes using G filter and
28 x 5 minutes using B filter.
Color mixture details:
Ha only into the red channel!
Find the
H-Alpha image before mixing with RGB here:
OIII was mixed with different percentages into the green and blue channel.
See the final result on
Astrobin:
You can find more images of the southern sky i have captured on
my homepage
All image processing was done with PixInsight.
The exposure series happened in June and July during 20 different nights.
Details to the Objects:
Sh2-1: This combination of HII region and reflection nebula is ionised by the
B1V class star Pi Scorpii (HIP78265). Sh2-1 is a member of the nearby upper
Scorpius subgroup of the Sco OB2 association.
The Sco OB2 association is part of the
Gould belt and the inner edge of the Orion spur.
Sh 2-7: Is the core of a huge diffuse nebula and is ionised by the B0.2IVe
subgiant binary Delta Scorpii. Delta Scorpii is a member of the nearby Sco OB2
association.
Both Sh2 objects are approximatly 650 light years away.
See more
on my homepage
Equipment used:
Telescope T8 at i-Telescope in Siding Springs Australia .
During the nights: 2019-06-11 / 12 / 26 / 27 / 28 / 30, 2019-07-01 / 02 /05 / 06 / 21 / 22 / 24.