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Contains:  The star πSco, The star 4Sco, The star 3Sco, The star 2Sco, The star 1Sco
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SH2-1 and Sh2-7 Reflection and Emission nebula, 


SH2-1 and Sh2-7 Reflection and Emission nebula

SH2-1 and Sh2-7 Reflection and Emission nebula

Technical card

Imaging telescope or lens:Takahashi FSQ-106N Tak 106

Imaging camera:FLI Proline 16803 FLI PL 16070



Resolution: 1978x2018

Dates:July 24, 2019

Blue: 28x300" bin 2x2
Green: 21x300" bin 2x2
Ha: 26x300" bin 2x2
OIII: 20x300" bin 2x2
Red: 23x300" bin 2x2

Integration: 9.8 hours

Avg. Moon age: 21.63 days

Avg. Moon phase: 55.45% job: 2916389

RA center: 239.139 degrees

DEC center: -25.049 degrees

Pixel scale: 7.006 arcsec/pixel

Orientation: 359.486 degrees

Field radius: 2.750 degrees

Locations: SidingSprings Itelescope Farm, Siding Springs, Australia

Data source: Amateur hosting facility

Remote source: iTelescope


Reflection Nebula VdB99, H-Alpha Nebula Sh2-1 and Sh2-7 in Constellation Scorpius

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 details 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.



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SH2-1 and Sh2-7 Reflection and Emission nebula,