At the end is a long exposure of 8 hours using a 2.8 aperture. Not an easy process due this nebulae is more dark and sutil than others tha I know.
The dark nebula Barnard 22 and the tiny flame-shaped reflection nebula IC 2087 are both part of the Taurus Molecular Cloud, which in turn contains many complex organic compounds in its extensive dusty nebula.
Equipment
Imaging Telescopes Or Lenses
Canon EF 200mm f/2.8L II USM
Imaging Cameras
ZWO ASI1600MM-Cool
Mounts
OpenAstroTech OpenAstroTracker
Filters
Astronomik L-2 UV-IR Block 36mm · Astronomik Green Deep-Sky 36mm · Astronomik Red Deep-Sky 36mm · Astronomik Blue Deep-Sky 36mm
Accessories
ZWO EFW · AstroMechanics ASCOM Canon EF Lens Controller · TALON6 R.O.R
Software
Pleiades Astrophoto PixInsight
Acquisition details
Dates:
Jan. 29, 2022 · Jan. 30, 2022 · Feb. 1, 2022
Frames:
Astronomik Blue Deep-Sky 36mm: 100×60″ (1h 40′) (gain: 75.00) -15°C bin 1×1
Astronomik Green Deep-Sky 36mm: 100×60″ (1h 40′) (gain: 75.00) -15°C bin 1×1
Astronomik L-2 UV-IR Block 36mm: 209×60″ (3h 29′) (gain: 75.00) -15°C bin 1×1
Astronomik Red Deep-Sky 36mm: 100×60″ (1h 40′) (gain: 75.00) -15°C bin 1×1
Integration:
8h 29′
Avg. Moon age:
18.10 days
Avg. Moon phase:
4.93%
RA center: 04h38m24s.67
DEC center: +25°36′56″.4
Pixel scale: 5.345 arcsec/pixel
Orientation: -57.194 degrees
Field radius: 2.941 degrees
WCS transformation: thin plate spline
Resolution: 2977×2613
Locations: AAS Montsec, Àger, Lleida, Spain
Data source: Own remote observatory
Remote source: Non-commercial independent facility
via Flickr https://flic.kr/p/2nikiEx