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Contains:  The star πSco, The star 4Sco, The star 3Sco
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vdB99, Sh2-1; Scorpius, 





    
        

            Thomas V. Davis
vdB99, Sh2-1; Scorpius

vdB99, Sh2-1; Scorpius

Technical card

Resolution: 4048x4084

Astrometry.net job: 2190502

RA center: 239.717 degrees

DEC center: -26.105 degrees

Pixel scale: 1.661 arcsec/pixel

Orientation: 273.963 degrees

Field radius: 1.326 degrees

Data source: Backyard

Description

vdB99, Sh2-1; Scorpius
Astro-Physics 305mm f/3.8 Riccardi-Honders astrograph, Lum
Takahashi FSQ-106 f/5 refractor, OSC
KAF-16803 FLI Proline
KAI-11000CM, SBIG STL
Total Exposure Time: 9.9 hours; L:Ha:OSC 250:135:210 min
June 2014; Inkom, ID

Comments: vdB 99 is a large reflection nebula in close proximity to PI Sco, a magnitude 2.8 star.

vdB99: Size (arcmin): 210 by 60
Type: illuminating star inside nebula
Surface brightness: moderate
Color: very blue
Absorption: weak
Illuminating star ID1: CD-2511228
Illuminating star ID2: HD143018
Mag. of illuminating star: 2.89
Spectral type of star: B1V+.

Comments

Author

tvdavisid
Thomas V. Davis
License: None (All rights reserved)
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vdB99, Sh2-1; Scorpius, 





    
        

            Thomas V. Davis