Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  IC 1274  ·  IC 1275  ·  IC 4685  ·  Lagoon nebula  ·  M 20  ·  M 21  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  NGC 6531  ·  NGC 6544  ·  NGC 6546  ·  NGC 6559  ·  The star 11Sgr  ·  The star 4Sgr  ·  The star 7Sgr  ·  The star 9Sgr  ·  Trifid nebula
M8 and M20 in SHO, 



    
        

            BO PENG(ISAAC)
M8 and M20 in SHO
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M8 and M20 in SHO

M8 and M20 in SHO, 



    
        

            BO PENG(ISAAC)
M8 and M20 in SHO
Powered byPixInsight

M8 and M20 in SHO

Technical card

Imaging telescopes or lenses: William Optics RedCat 51 APO

Imaging cameras: ASI 1600MM-Pro

Mounts: iOptron iEQ30pro

Guiding telescopes or lenses: ZWO 30F4 Guidescope

Guiding cameras: ASI ZWO 290 MM

Software: Pleiades Pixinsight 1.8.6 Ripley

Filters: Optolong OIII 1.25" 6.5nm  ·  Optolong SII 6.5nm 1.25"  ·  Optolong Ha 7nm 1,25"

Accessory: ZWO ASiair  ·  ZWO 8x 1.25" Filter Wheel (EFW)  ·  QHYCCD Polemaster


Dates:July 12, 2019

Frames:
Optolong Ha 7nm 1,25": 17x180" (51') (gain: 200.00) -20C bin 1x1
Optolong OIII 1.25" 6.5nm: 17x180" (51') (gain: 200.00) -20C bin 1x1
Optolong SII 6.5nm 1.25": 16x180" (48') (gain: 200.00) -20C bin 1x1

Integration: 2h 30'

Darks: 207

Flats: 50

Bias: 60

Avg. Moon age: 10.52 days

Avg. Moon phase: 80.98%

Bortle Dark-Sky Scale: 9.00


Basic astrometry details

Astrometry.net job: 2826879

RA center: 18h 5' 37"

DEC center: -23° 48' 10"

Pixel scale: 3.151 arcsec/pixel

Orientation: 77.530 degrees

Field radius: 2.330 degrees


Resolution: 4245x3211

Locations: Balcony of apartment, Sao Paulo, SP, Brazil

Data source: Backyard

Comments

Revisions

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            BO PENG(ISAAC)
    Original
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    B
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    C
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    D
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    E
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    F
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    G
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    H
  • M8 and M20 in SHO, 



    
        

            BO PENG(ISAAC)
    I

B

Description: HOO version

Uploaded: ...

C

Description: Color Calibrated

Uploaded: ...

E

Description: Cropped M8 from a previous widefield picture.

Uploaded: ...

Sky plot

Sky plot

Histogram

M8 and M20 in SHO, 



    
        

            BO PENG(ISAAC)