IC 1318 (Graham Roberts)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 37 gam Cyg · B347 · NGC 6910 · PK078+00.1 · PK079+00.1 · Sadr · Sh2-108 · The star Sadr (γCyg)

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IC 1318

Link: https://watchthisspaceman.wordpress.com/2021/09/12/the-well-the-butterfly/

Powered byPixInsight

IC 1318

Link: https://watchthisspaceman.wordpress.com/2021/09/12/the-well-the-butterfly/

Located within the Orion Arm of the Milky Way galaxy is the Gamma Cygni nebula, a diffuse emission nebula that surrounds the star of the same name, otherwise better known as Sadr. Moreover, this large area forms part of a huge HII-region that is mainly (80%) located in the north and east quadrants of the so-called Cygnus Cross, which is defined by the stars Deneb – Sadr - Delta Cygni - Albireo - Aljanah. This vast area passes directly high overhead at this time the year before disappearing behind the house roofline in the early morning hours and has already provided many exciting imaging opportunities for me in the past. The heart (not the centre) of the region is the supergiant star Sadr and I first imaged this area in autumn 2015 using my modded DSLR camera. A return visit was therefore long overdue and this time I set out to better capture the so-called Butterfly Nebula in narrowband SHO wavelengths.

21 Ha x 300 secs
21 OIII x 300 secs
21 SII x 300 secs

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Status	Advanced success
Started	...
Astrometry.net job	4997218
PixInsight job	T6PHCSJ8E2KFK5HS3UCGK4OZ7R6RQEDI
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h25m20s.18
RA (top/left)	20h20m03s.52
RA (top/right)	20h20m46s.67
RA (bottom/right)	20h30m25s.89
RA (bottom/left)	20h30m04s.50

Dec (center)	+40°11′15″.2
Dec (top/left)	+41°23′05″.2
Dec (top/right)	+38°53′51″.3
Dec (bottom/right)	+38°58′31″.5
Dec (bottom/left)	+41°27′49″.6

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